Patent US3531945A successfully refreshed from Google Patents.
US3531945A
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Constant temperature refrigerated equipment
Assignee: JEPSON REFRIGERATION Corp 340 BUTTERFIELD ROAD STE 3B ELHMURST IL 60126 A CORP OF
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Filing: 1969-06-11
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Granted: 1970-10-06
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Expires: 1989-06-11
Abstract
No abstract record available.
Inventors
- 👤 James H Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:49
CPC Classifications
F; F25; F25B; F25B47/00; F25B47/02; F25B47/022; A; A47; A47F; A47F3/00; A47F3/04; A47F3/0439; A47F3/0443; A47F3/0447; F25B5/00; F25D; F25D17/00; F25D17/04; F25D17/06; F25B2400/00; F25B2400/22
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) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |