Information
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Patent Grant
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D274663
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Patent Number
D274,663
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Date Filed
Thursday, May 21, 198143 years ago
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Date Issued
Tuesday, July 10, 198440 years ago
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Inventors
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Original Assignees
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Examiners
Agents
- O'Halloran; John T.
- Ruzek; Peter R.
- Werner; Mary C.
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US Classifications
Field of Search
US
- D32 38
- D32 39
- 015 41-48
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Claims
- The ornamental design for a carpet sweeper with additional rotable edge brushes, as shown and described.
Priority Claims (1)
| Number |
Date |
Country |
Kind |
| 6 MR 1066 |
Dec 1980 |
DEX |
|
US Referenced Citations (3)
| Number |
Name |
Date |
Kind |
| 3750215 |
Liebscher |
Aug 1973 |
|
| 4086677 |
Liebscher et al. |
May 1978 |
|
| 4107809 |
Schuelein et al. |
Aug 1978 |
|
Foreign Referenced Citations (2)
| Number |
Date |
Country |
| 1957576 |
May 1971 |
DEX |
| 2733480 |
Feb 1979 |
DEX |
