US2464671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shutter release device for photographic cameras
Assignee: Kalart Co Inc
•
Filing: 1945-06-07
•
Granted: 1949-03-15
•
Expires: 1965-06-07
Abstract
No abstract record available.
Inventors
- 👤 Castedello William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:28
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/58
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US624693A
Cited
US1178474A
Cited
US1185337A
Cited
US2176573A
Cited
DE704100C
Cited
US2213749A
Cited
US2308725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |