Patent US2638154A successfully refreshed from Google Patents.
US2638154A
Expired / Lapsed
US
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Construction in upholstered article such as a seat
Assignee: Individual
•
Filing: 1950-04-17
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Granted: 1953-05-12
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Expires: 1970-04-17
Abstract
No abstract record available.
Inventors
- 👤 Alexander H Dewees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:58
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1460392A
Cited
US1967700A
Cited
US2008158A
Cited
US2125838A
Cited
US2281635A
Cited
US2430612A
Cited
US2567330A
Cited
US2580202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |