US2659801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control device
Assignee: General Electric Co
•
Filing: 1950-10-06
•
Granted: 1953-11-17
•
Expires: 1970-10-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond N Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:05
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/2033; G05D23/2036
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1694264A
Cited
US1900596A
Cited
US2138731A
Cited
US2349849A
Cited
US2474679A
Cited
US2505565A
Cited
US2568435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |