Claims
- 1. A plug for closing an inlet port in a sheet of material, comprising:a planar flexible body; and a plurality of flexible extensions coplanar with and extending radially from the body, at least two extensions receivable in the inlet port for retaining the plug against the inlet port; wherein the plug is formed from a wood pulp material; and wherein at least one of the extensions is triangular.
- 2. A plug for closing an inlet port in a sheet of material, comprising:a planar flexible body; and a plurality of flexible extensions coplanar with and extending radially from the body, at least two extensions receivable in the inlet port for retaining the plug against the inlet port; wherein the plug is formed from a wood pulp material; and wherein at least one of the extensions is rectangular.
- 3. A plug for closing an inlet port in a sheet of material, comprising:a planar flexible body; and a plurality of flexible extensions coplanar with and extending radially from the body, at least two extensions receivable in the inlet port for retaining the plug against the inlet port; wherein the plug is formed from a wood pulp material; and wherein at least one of the extensions has a distal end which is not coplanar with the body.
- 4. A plug for closing an inlet port in a sheet of material, comprising:a planar flexible body; and a plurality of flexible extensions coplanar with and extending radially from the body, at least two extensions receivable in the inlet port for retaining the plug against the inlet port; wherein the plug is formed from a wood pulp material; and wherein at least one of the extensions has a distal end which is formed at an angle to the extension.
- 5. A plug for closing an inlet port in a sheet of material, comprising:a planar flexible body; and a plurality of flexible extensions coplanar with and extending radially from the body, at least two extensions receivable in the inlet port for retaining the plug against the inlet port; wherein the plug is formed from a wood pulp material; and wherein at least one of the extensions has a distal end which is notched.
- 6. A plug for closing an inlet port in a sheet of material, comprising:a planar flexible body; and a plurality of flexible extensions coplanar with and extending radially from the body, at least two extensions receivable in the inlet port for retaining the plug against the inlet port; wherein the plug is formed from a wood pulp material; and wherein the plurality of extensions includes three pairs of opposing extensions.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation of U.S. patent application Ser. No. 09/473,330, filed Dec. 28, 1999 now U.S. Pat. No. 6,309,408, entitled “INLET PORT PLUG” which is a continuation of U.S. patent application Ser. No 09/368,206, filed Aug. 4, 1999 now U.S. Pat. No. 6,241,755, titled “INLET PORT PLUG FOR INFLATABLE THERMAL BLANKETS”, which is a continuation of U.S. patent application No. 08/624,101 filed on Mar. 29, 1996, now U.S. Pat. No. 5,997,572, issued Dec. 7, 1999, titled “INLET PORT PLUG FOR INFLATABLE THERMAL BLANKETS” and is also related to U.S. patent application Ser. No. 09/496,599, filed Feb. 2, 2000, titled “INLET PORT PLUG FOR INFLATABLE THERMAL BLANKETS”.
US Referenced Citations (19)
Non-Patent Literature Citations (2)
Entry |
Augustine Medical, Inc. v. Gaymar Industries, Inc., 50 USPQ2d 1900 (CAFC 1999). |
Copy of Inlet Port Plug. |
Continuations (3)
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Number |
Date |
Country |
Parent |
09/473330 |
Dec 1999 |
US |
Child |
09/908207 |
|
US |
Parent |
09/368206 |
Aug 1999 |
US |
Child |
09/473330 |
|
US |
Parent |
08/624101 |
Mar 1996 |
US |
Child |
09/368206 |
|
US |