US2467896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic control and indicating device
Assignee: Westinghouse Electric Corp
•
Filing: 1942-05-30
•
Granted: 1949-04-19
•
Expires: 1962-05-30
Abstract
No abstract record available.
Inventors
- 👤 Paul R Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:45
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0213; H01; H01H; H01H37/00; H01H37/02; H01H37/08; Y; Y10; Y10S; Y10S236/00; Y10S236/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1393968A
Cited
US1976587A
Cited
US2074569A
Cited
US2208432A
Cited
US2151782A
Cited
US2253553A
Cited
US2278629A
Cited
US2289882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |