US2793508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Household air conditioning systems
Assignee: Individual
•
Filing: 1953-12-07
•
Granted: 1957-05-28
•
Expires: 1973-12-07
Abstract
No abstract record available.
Inventors
- 👤 Moritz L Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:53
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/02; F24F1/03; F24F1/0317; F24F1/032; F24F1/0323; F24F1/0328
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2519086A
Cited
US2175946A
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US2252064A
Cited
US2277247A
Cited
US2259803A
Cited
US2265634A
Cited
US2321687A
Cited
US2447278A
Cited
US2682757A
Cited
US2724578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |