US1843893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat cushion
Assignee: Individual
•
Filing: 1931-05-18
•
Granted: 1932-02-02
•
Expires: 1951-05-18
Abstract
No abstract record available.
Inventors
- 👤 Ernest F Becher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:44
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/70; B60N2/7023; B60N2/7035; B60N2/7047; B60N2/707; Y; Y10; Y10S; Y10S297/00; Y10S297/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-02-01 | 1935-08-03 | 1936-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-02-01 | 1939-08-03 | 1940-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-02-01 | 1943-08-03 | 1944-02-02 | $7700.00 | Window Closed / Lapsed |