US2474018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supercharger compression temperature control system
Assignee: Honeywell Inc
•
Filing: 1945-04-28
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Granted: 1949-06-21
•
Expires: 1965-04-28
Abstract
No abstract record available.
Inventors
- 👤 Hubert T Sparrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:59
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0269; F02D2700/0274
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB458350A
Cited
US1371444A
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US2305810A
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US2403398A
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US2275317A
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US2372272A
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US2383563A
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US2353201A
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US2388350A
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US2376143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |