US2949014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric air conditioning apparatus
Assignee: Whirlpool Corp
•
Filing: 1958-06-02
•
Granted: 1960-08-16
•
Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph F Belton
- 👤 Swerbinsky Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:04
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02; F24; F24F; F24F5/00; F24F5/0042; F25B2321/00; F25B2321/02; F25B2321/025; F25B2321/0251; Y; Y10; Y10S; Y10S62/00; Y10S62/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1193467A
Cited
US1818437A
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US2186844A
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US2200945A
Cited
US2561278A
Cited
US2702994A
Cited
US2886618A
Cited
US2837899A
Cited
US2749716A
Cited
US2870610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |