Patent US2892916A successfully refreshed from Google Patents.
US2892916A
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Thermistor probe heat control circuit
Assignee: JAMES C HEINTZ Co
•
Filing: 1957-12-13
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Granted: 1959-06-30
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Expires: 1977-12-13
Abstract
No abstract record available.
Inventors
- 👤 Jack H Holmes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:09
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)
US2664489A
Cited
US2795697A
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US2657580A
Cited
US2805311A
Cited
US2826072A
Cited
US2713130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-29 | 1962-12-29 | 1963-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-29 | 1966-12-29 | 1967-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-29 | 1970-12-29 | 1971-06-30 | $7700.00 | Window Closed / Lapsed |