US2220642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety catch for wrist watch straps
Assignee: Individual
•
Filing: 1937-10-29
•
Granted: 1940-11-05
•
Expires: 1957-10-29
Abstract
No abstract record available.
Inventors
- 👤 Gerstenblith Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:21
CPC Classifications
A; A44; A44C; A44C5/00; A44C5/18; A44C5/20; A44C5/2042; F; F16; F16B; F16B45/00; F16B45/02; F16B45/023; F16B45/024; F16B45/026; F16B45/027; Y; Y10; Y10S; Y10S24/00; Y10S24/906
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) | 1943-11-05 | 1944-05-06 | 1944-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-05 | 1948-05-06 | 1948-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-05 | 1952-05-06 | 1952-11-05 | $7700.00 | Window Closed / Lapsed |