Patent US2783474A successfully refreshed from Google Patents.
US2783474A
Expired / Lapsed
US
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Fibrous and absorbent perspiration pads
Assignee: American Felt Co
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Filing: 1954-06-22
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Granted: 1957-03-05
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Expires: 1974-06-22
Abstract
No abstract record available.
Inventors
- 👤 Frank T Campagna
- 👤 Charles M Foggett
- 👤 William H Lehmberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:36
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/12; A61F13/122; A41; A41D; A41D20/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1697919A
Cited
US2036209A
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US2051714A
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US2023279A
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US2223332A
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US2294899A
Cited
US2544798A
Cited
US2521985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |