US2633184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible edge seat
Assignee: Wingfoot Corp
•
Filing: 1946-11-02
•
Granted: 1953-03-31
•
Expires: 1966-11-02
Abstract
No abstract record available.
Inventors
- 👤 Charles A Karg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:07
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/282; B; B60; B60N; B60N2/00; B60N2/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US210989A
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US1975586A
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US2106066A
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US2177175A
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US2109282A
Cited
US2133747A
Cited
US2207054A
Cited
US2145408A
Cited
US2280912A
Cited
US2182253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |