US2492744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic element
Assignee: Metals and Controls Corp
•
Filing: 1947-06-23
•
Granted: 1949-12-27
•
Expires: 1967-06-23
Abstract
No abstract record available.
Inventors
- 👤 Townsend M Gunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:30
CPC Classifications
G; G01; G01K; G01K5/00; G01K5/48; G01K5/56; G01K5/62; G01K5/64; G01K5/68; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/125
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1564504A
Cited
US1867893A
Cited
US2086857A
Cited
US2125858A
Cited
US2162098A
Cited
US2278744A
Cited
US2262460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |