Patent US4203439A successfully refreshed from Google Patents.
US1942604A
Expired / Lapsed
US
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Camera leveling and shutter controlling apparatus
Assignee: Individual
•
Filing: 1932-08-24
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Granted: 1934-01-09
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Expires: 1952-08-24
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:10
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/64; G03; G03B; G03B9/00; G03B9/08; Y; Y10; Y10S; Y10S33/00; Y10S33/03
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) | 1937-01-08 | 1937-07-10 | 1938-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-08 | 1941-07-10 | 1942-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-08 | 1945-07-10 | 1946-01-09 | $7700.00 | Window Closed / Lapsed |