US2463598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature regulator
Assignee: Robertshaw Controls Co
•
Filing: 1947-03-20
•
Granted: 1949-03-08
•
Expires: 1967-03-20
Abstract
No abstract record available.
Inventors
- 👤 Jr William W Carson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:22
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/121; G05D23/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22685E
Cited
US2353889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |