US2929438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat supporting mechanism
Assignee: American Metal Products Co
•
Filing: 1957-08-07
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Granted: 1960-03-22
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Expires: 1977-08-07
Abstract
No abstract record available.
Inventors
- 👤 Robert I Homier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:03
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/0224; B60N2/02246; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18656
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2809688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |