Information
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Patent Grant
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D254671
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Patent Number
D254,671
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Date Filed
Wednesday, June 15, 197748 years ago
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Date Issued
Tuesday, April 8, 198045 years ago
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Inventors
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Original Assignees
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Examiners
Agents
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US Classifications
Field of Search
US
- D15 7
- D15 8-9
- D23 139-167
- 004 17215
- 004 17217
- 004 178-180
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International Classifications
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Claims
- The design for an aerator for swimming pools or the like, substantially as shown and described.
US Referenced Citations (3)
| Number |
Name |
Date |
Kind |
|
D241172 |
Johnson |
Aug 1976 |
|
|
4057372 |
Johnson et al. |
Nov 1977 |
|
|
4115878 |
Johnson et al. |
Sep 1978 |
|