Patent US3058651A successfully refreshed from Google Patents.
US3058651A
Expired / Lapsed
US
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Air exhaust and impeller rotor for treating air to provide comfort in hot and cold weather
Assignee: Individual
•
Filing: 1960-12-22
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Granted: 1962-10-16
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Expires: 1980-12-22
Abstract
No abstract record available.
Inventors
- 👤 Mobley William Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:03
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/62; F04D29/624; F04D29/626; F04D29/26; F04D29/28; F04D29/281; F24; F24F; F24F6/00; F24F6/02; F24F6/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US29262A
Cited
US1149904A
Cited
US1413296A
Cited
US1827316A
Cited
US2352127A
Cited
US2847156A
Cited
US2831630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |