US2850075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid chair assembly
Assignee: Individual
•
Filing: 1956-04-27
•
Granted: 1958-09-02
•
Expires: 1976-04-27
Abstract
No abstract record available.
Inventors
- 👤 Louis F Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:35
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/10; A61G5/1056; A61G5/1059; Y; Y10; Y10S; Y10S297/00; Y10S297/01; Y10S297/04; Y10S297/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US60085A
Cited
US1229657A
Cited
AT76499B
Cited
US1453241A
Cited
US1695101A
Cited
US2596055A
Cited
US2563347A
Cited
US2679283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |