Patent US2593812A successfully refreshed from Google Patents.
US2593812A
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Thermostatic control and excessive temperature indication mechanism
Assignee: Proctor Electric Co
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Filing: 1947-10-30
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Granted: 1952-04-22
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Expires: 1967-10-30
Abstract
No abstract record available.
Inventors
- 👤 Turner Charles Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:35
CPC Classifications
D; D06; D06F; D06F75/00; D06F75/08; D06F75/26; D06F75/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1957343A
Cited
US2208432A
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US2409420A
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US2414799A
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US2476083A
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US2433124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |