US2896428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning apparatus
Assignee: Individual
•
Filing: 1954-12-03
•
Granted: 1959-07-28
•
Expires: 1974-12-03
Abstract
No abstract record available.
Inventors
- 👤 Clyde R Paton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:19
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/044; F24F1/00; F24F1/0007; F24F1/0043; F24F1/0047; Y; Y10; Y10S; Y10S62/00; Y10S62/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB547436A
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US2363839A
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US2523332A
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US2619812A
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US2638757A
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US2682757A
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US2691488A
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US2722107A
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US2664720A
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US2779572A
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US2760353A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |