Patent US2664720A successfully refreshed from Google Patents.
US2664720A
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US
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Wall mounted console type air conditioning apparatus
Assignee: International Motors LLC
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Filing: 1952-07-11
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Granted: 1954-01-05
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Expires: 1972-07-11
Abstract
No abstract record available.
Inventors
- 👤 William F Borgerd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:59
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/02; F24F1/03; F24F1/031; F24F1/032; F24F1/0323; F24F1/0328; F24F1/035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2519086A
Cited
US2035653A
Cited
US2062042A
Cited
US2540957A
Cited
US2560467A
Cited
US2620638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |