Patent US2437085A successfully refreshed from Google Patents.
US2437085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat detection device
Assignee: RCA Corp
•
Filing: 1943-03-12
•
Granted: 1948-03-02
•
Expires: 1963-03-12
Abstract
No abstract record available.
Inventors
- 👤 Evans John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:32
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/38; G01J5/42
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1639713A
Cited
US1604532A
Cited
US1632332A
Cited
US1859170A
Cited
US1779114A
Cited
US2011710A
Cited
US1972009A
Cited
US1951276A
Cited
US2027193A
Cited
US2042490A
Cited
US2080902A
Cited
US2288788A
Cited
US2357193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-02 | 1951-09-01 | 1952-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-02 | 1955-09-01 | 1956-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-02 | 1959-09-01 | 1960-03-02 | $7700.00 | Window Closed / Lapsed |