Patent US2644381A successfully refreshed from Google Patents.
US2644381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support and handle for cameras and synchronizers
Assignee: Individual
•
Filing: 1949-11-30
•
Granted: 1953-07-07
•
Expires: 1969-11-30
Abstract
No abstract record available.
Inventors
- 👤 Mendelsohn Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:04
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/041; F; F21; F21K; F21K5/00; F21K5/02; F21K5/023
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1979942A
Cited
US2049735A
Cited
CH185986A
Cited
US2176972A
Cited
US2314829A
Cited
US2295853A
Cited
US3310165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |