US2628662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable chair
Assignee: Doak Aircraft Co Inc
•
Filing: 1947-03-20
•
Granted: 1953-02-17
•
Expires: 1967-03-20
Abstract
No abstract record available.
Inventors
- 👤 Morris Charles William
- 👤 Leonard A Kent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:19
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/022; A47C1/024; A47C1/0244
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1212808A
Cited
FR674930A
Cited
US2132363A
Cited
US2233225A
Cited
US2244274A
Cited
US2400705A
Cited
US2321385A
Cited
US2429633A
Cited
US2522246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |