US2608635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature regulating system
Assignee: Westinghouse Electric Corp
•
Filing: 1950-03-17
•
Granted: 1952-08-26
•
Expires: 1970-03-17
Abstract
No abstract record available.
Inventors
- 👤 Clarence L Mershon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:18
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/22; G05D23/1927; G05D23/1928
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1948372A
Cited
US1995404A
Cited
US1991248A
Cited
US2432399A
Cited
US2206715A
Cited
US2429827A
Cited
US2557905A
Cited
US2462207A
Cited
US2465312A
Cited
US2556065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |