Patent US2888976A successfully refreshed from Google Patents.
US2888976A
Expired / Lapsed
US
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Seat device
Assignee: Individual
•
Filing: 1955-03-24
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Granted: 1959-06-02
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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 05:54
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
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References Cited (Backward Citations)
US79441A
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US291931A
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US1752105A
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US2022557A
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US2060298A
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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 |