Patent US2983213A successfully refreshed from Google Patents.
US2983213A
Expired / Lapsed
US
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Climate control
Assignee: Individual
•
Filing: 1959-01-20
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Granted: 1961-05-09
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Expires: 1979-01-20
Abstract
No abstract record available.
Inventors
- 👤 Hoy R Bohanon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:38
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US433094A
Cited
US2006109A
Cited
US2121278A
Cited
US2137905A
Cited
US2318027A
Cited
US2855839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |