US2860494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple temperature refrigeration system
Assignee: Goodman Co LP
•
Filing: 1955-03-02
•
Granted: 1958-11-18
•
Expires: 1975-03-02
Abstract
No abstract record available.
Inventors
- 👤 Harry A Whitesel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:32
CPC Classifications
F; F25; F25B; F25B5/00; F25B5/04; F25B2400/00; F25B2400/05; F25B2400/052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1867748A
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US2145773A
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US2137260A
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US2119494A
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US2329139A
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US2487012A
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US2636358A
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US2705876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |