Patent US2883836A successfully refreshed from Google Patents.
US2883836A
Expired / Lapsed
US
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System for utilizing heat removed from a refrigerated space
Assignee: Individual
•
Filing: 1956-06-28
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Granted: 1959-04-28
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Expires: 1976-06-28
Abstract
No abstract record available.
Inventors
- 👤 Sacks Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:45
CPC Classifications
F; F25; F25B; F25B29/00; F25B29/003; F25B2400/00; F25B2400/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1874803A
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US2210325A
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US2247056A
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US2233633A
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US2665637A
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US2750764A
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US2726067A
Cited
US2797068A
Cited
US2796743A
Cited
US2764876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |