US2669291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushion construction
Assignee: American Seating Co
•
Filing: 1950-05-18
•
Granted: 1954-02-16
•
Expires: 1970-05-18
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Hoven
- 👤 Walter E Nordmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:49
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)
US1578413A
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US1940637A
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US2241473A
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US2392254A
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US2356417A
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US2386456A
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US2437119A
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US2462539A
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US2449500A
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US2551800A
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US2570409A
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US2568820A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |