US2482815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infrared photography
Assignee: University of Rochester
•
Filing: 1946-03-26
•
Granted: 1949-09-27
•
Expires: 1966-03-26
Abstract
No abstract record available.
Inventors
- 👤 Urbach Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:01
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/16; G03C5/164; G03C5/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1565256A
Cited
US1648058A
Cited
US1724572A
Cited
US2074226A
Cited
US2203352A
Cited
GB509308A
Cited
US2225044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |