US2986018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus for refrigeration system
Assignee: Honeywell Inc
•
Filing: 1956-02-20
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Granted: 1961-05-30
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Expires: 1976-02-20
Abstract
No abstract record available.
Inventors
- 👤 Axel B Algren
- 👤 Edwin F Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:22
CPC Classifications
F; F25; F25B; F25B1/00; F25B49/00; F25B49/02; F25B49/022; F25B2400/00; F25B2400/06; F25B2400/07; F25B2400/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |