US2553979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control for refrigerating apparatus
Assignee: Honeywell Inc
•
Filing: 1944-04-13
•
Granted: 1951-05-22
•
Expires: 1964-04-13
Abstract
No abstract record available.
Inventors
- 👤 Alwin B Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:16
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/025; F25B2600/00; F25B2600/02; F25B2600/025; F25B2600/0251
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1951446A
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US1974991A
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US2176338A
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US2090526A
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US2121079A
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US2184339A
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US2167227A
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US2273540A
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US2298323A
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US2367306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |