Patent US2966342A successfully refreshed from Google Patents.
US2966342A
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US
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Combination heating and refrigeration system
Assignee: Coleman Co Inc
•
Filing: 1956-09-06
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Granted: 1960-12-27
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Expires: 1976-09-06
Abstract
No abstract record available.
Inventors
- 👤 Alwin B Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:33
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/01; F24F3/00; F24F3/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1909164A
Cited
US2068080A
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US2023622A
Cited
US2126182A
Cited
US2609743A
Cited
US2699922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |