US2876327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature controller
Assignee: Standard Oil Co
•
Filing: 1956-10-24
•
Granted: 1959-03-03
•
Expires: 1976-10-24
Abstract
No abstract record available.
Inventors
- 👤 Frank A Leisey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:36
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24; G05D23/2451; G05D23/2453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1776901A
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US2437332A
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US2664489A
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US2510526A
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US2645461A
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US2645700A
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US2761052A
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US2728832A
Cited
US2760046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |