US2491192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed heat ray detector
Assignee: Motors Liquidation Co
•
Filing: 1944-11-11
•
Granted: 1949-12-13
•
Expires: 1964-11-11
Abstract
No abstract record available.
Inventors
- 👤 Edward J Martin
- 👤 Gifford G Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:27
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/02; G01J5/08; G01J5/0803; G01J5/0805
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2109235A
Cited
US1760383A
Cited
US1876272A
Cited
US1954204A
Cited
US2125113A
Cited
US2115578A
Cited
US2173994A
Cited
US2334475A
Cited
US2332154A
Cited
US2422971A
Cited
US2410317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |