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Patent US2920460A successfully refreshed from Google Patents.
US2920460A
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Self contained air conditioner having noise attenuating means
Assignee: General Electric Co
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Filing: 1957-10-24
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Granted: 1960-01-12
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Expires: 1977-10-24
Abstract
No abstract record available.
Inventors
- 👤 Leonard W Atchison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:05
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/24; F24F1/00; F24F1/02; F24F1/029; F24F1/03; F24F1/031; F24F1/032; F24F1/0323
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1900644A
Cited
US2009246A
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US2162152A
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US2355289A
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US2654227A
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US2644389A
Cited
US2791169A
Cited
US2858760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |