US2712849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat for high speed conveyance
Assignee: Individual
•
Filing: 1952-02-18
•
Granted: 1955-07-12
•
Expires: 1972-02-18
Abstract
No abstract record available.
Inventors
- 👤 Jr William Exton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:15
CPC Classifications
B; B64; B64D; B64D11/00; B64D11/06; B64D11/0619; B64D11/062; B64D11/0639; B64D11/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1250155A
Cited
US2290464A
Cited
US2346895A
Cited
US2401748A
Cited
US2433950A
Cited
US2577313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-11 | 1959-01-10 | 1959-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-11 | 1963-01-10 | 1963-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-11 | 1967-01-10 | 1967-07-12 | $7700.00 | Window Closed / Lapsed |