US3040538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric air conditioning unit
Assignee: Westinghouse Electric Corp
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Filing: 1960-04-15
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Granted: 1962-06-26
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Expires: 1980-04-15
Abstract
No abstract record available.
Inventors
- 👤 Carl F Alsing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:14
CPC Classifications
F; F24; F24F; F24F5/00; F24F5/0042; F24F1/00; F24F1/02; F24F1/03; F24F1/031; F24F1/032; F24F1/0323; F24F1/0373; F24F1/0378; F24F13/00; F24F13/22; F25; F25B; F25B21/00; F25B21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |