US1626663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature-controlling system
Assignee: Westinghouse Electric Corp
•
Filing: 1923-02-08
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Granted: 1927-05-03
•
Expires: 1943-02-08
Abstract
No abstract record available.
Inventors
- 👤 Porter H Brace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:28
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/10; G01J5/28; Y; Y10; Y10S; Y10S236/00; Y10S236/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-05-02 | 1930-11-01 | 1931-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-05-02 | 1934-11-01 | 1935-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-05-02 | 1938-11-01 | 1939-05-03 | $7700.00 | Window Closed / Lapsed |