US3015222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerant compressor
Assignee: Whirlpool Corp
•
Filing: 1959-04-06
•
Granted: 1962-01-02
•
Expires: 1979-04-06
Abstract
No abstract record available.
Inventors
- 👤 John M Wellborn
- 👤 John A Kimm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:39
CPC Classifications
F; F25; F25B; F25B31/00; F25B31/02; F25B31/006; F25B31/008; Y; Y10; Y10S; Y10S417/00; Y10S417/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE24192E
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US1719807A
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US2136097A
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US2200222A
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US2222703A
Cited
US2435108A
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US2859912A
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US2798505A
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US2776542A
Cited
US2891391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |