Patent US2967051A successfully refreshed from Google Patents.
US2967051A
Expired / Lapsed
US
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Means for treating air to provide comfort in hot and cold weather
Assignee: Individual
•
Filing: 1956-08-02
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Granted: 1961-01-03
•
Expires: 1976-08-02
Abstract
No abstract record available.
Inventors
- 👤 William R Mobley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:56
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2030316A
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US2054200A
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US2119207A
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US2186697A
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US2182620A
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US2506656A
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US2540136A
Cited
US2684232A
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US2759713A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |