US2550698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic reflex camera with diaphragm adjustment and flash synchronizer means
Assignee: Graflex Inc
•
Filing: 1945-09-12
•
Granted: 1951-05-01
•
Expires: 1965-09-12
Abstract
No abstract record available.
Inventors
- 👤 Rollin W King
- 👤 Berlant Emmanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:17
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/12; G03B9/00; G03B9/70
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |