US2882698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating system
Assignee: Individual
•
Filing: 1955-01-31
•
Granted: 1959-04-21
•
Expires: 1975-01-31
Abstract
No abstract record available.
Inventors
- 👤 John R Boyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:43
CPC Classifications
F; F25; F25B; F25B41/00; F25B2400/00; F25B2400/02; F25B2400/16; Y; Y10; Y10S; Y10S62/00; Y10S62/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1163875A
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US1431350A
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US1587800A
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US1712184A
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US1873185A
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US1880653A
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US2228816A
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US2376071A
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US2419905A
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US2279097A
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US2346253A
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US2628021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |