US2657568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key hanger support for key cases
Assignee: Buxton Inc
•
Filing: 1951-05-17
•
Granted: 1953-11-03
•
Expires: 1971-05-17
Abstract
No abstract record available.
Inventors
- 👤 Clyde E Morrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:34
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/32; A45C11/323; F; F16; F16B; F16B45/00; F16B45/02; F16B45/036; Y; Y10; Y10T; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2197217A
Cited
US2201850A
Cited
US2201851A
Cited
US2197218A
Cited
US2421492A
Cited
US2550135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |