US2888976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat device
Assignee: Individual
•
Filing: 1955-03-24
•
Granted: 1959-06-02
•
Expires: 1975-03-24
Abstract
No abstract record available.
Inventors
- 👤 Charles W Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:55
CPC Classifications
A; A47; A47D; A47D1/00; A47D1/002; A47D1/004; A47C; A47C7/00; A47C7/02; A47C7/18; A47C7/185; A47D1/10; A47D1/103
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US79441A
Cited
US291931A
Cited
US1752105A
Cited
US2022557A
Cited
US2060298A
Cited
US2108242A
Cited
US2297771A
Cited
US2321486A
Cited
FR924785A
Cited
US2659484A
Cited
US2700462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |