US2534543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light concentrating reflector camera
Assignee: ANDREW J BRAMLETTE
•
Filing: 1947-07-21
•
Granted: 1950-12-19
•
Expires: 1967-07-21
Abstract
No abstract record available.
Inventors
- 👤 Jesse T Bullock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:24
CPC Classifications
G; G02; G02B; G02B17/00; G02B17/02; G02B17/06; G02B17/0605; G02B17/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US753351A
Cited
US2282869A
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US697738A
Cited
GB190303058A
Cited
GB190929282A
Cited
FR410263A
Cited
US2336379A
Cited
US2413286A
Cited
US2430595A
Cited
US2403660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |