Patent US3372328A successfully refreshed from Google Patents.
US3372328A
Expired / Lapsed
US
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Scr temperature control circuit
Assignee: Honeywell Inc
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Filing: 1964-11-24
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Granted: 1968-03-05
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Expires: 1984-11-24
Abstract
No abstract record available.
Inventors
- 👤 Balthasar H Pinckaers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:02
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/30; G05D23/303
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2546926A
Cited
US3207975A
Cited
US3107324A
Cited
US3146392A
Cited
US3159737A
Cited
US3305766A
Cited
US3303414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |