Patent US2948124A successfully refreshed from Google Patents.
US2948124A
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Absorption refrigeration systems
Assignee: Carrier Corp
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Filing: 1957-04-11
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Granted: 1960-08-09
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Expires: 1977-04-11
Abstract
No abstract record available.
Inventors
- 👤 Sr Joseph E Embury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:07
CPC Classifications
F; F25; F25B; F25B43/00; F25B43/04; F25B43/046; F25B15/00; F25B15/02; F25B15/06; F25B2315/00; F25B2315/001; Y; Y02; Y02A; Y02A30/00; Y02A30/27; Y02B; Y02B30/00; Y02B30/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2061606A
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US2056818A
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US2494972A
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US2480497A
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US2461513A
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US2722805A
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US2722806A
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US2795115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |