US1773045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swivel hook
Assignee: American Engineering Co Ltd
•
Filing: 1929-06-29
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Granted: 1930-08-12
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Expires: 1949-06-29
Abstract
No abstract record available.
Inventors
- 👤 Koons Charles Vernon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:02
CPC Classifications
F; F16; F16G; F16G15/00; F16G15/08; B; B66; B66C; B66C1/00; B66C1/10; B66C1/22; B66C1/34; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32213
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) | 1933-08-11 | 1934-02-10 | 1934-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-08-11 | 1938-02-10 | 1938-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-08-11 | 1942-02-10 | 1942-08-12 | $7700.00 | Window Closed / Lapsed |