US2932953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric cooling units
Assignee: The General Electric Company PLC
•
Filing: 1956-08-10
•
Granted: 1960-04-19
•
Expires: 1976-08-10
Abstract
No abstract record available.
Inventors
- 👤 Becket Frederick John
- 👤 Bury Harry
- 👤 Smith Reggie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:49
CPC Classifications
H; H10; H10N; H10N10/00; F; F25; F25B; F25B21/00; F25B21/02; H10N10/10; H10N10/13; F25B2321/00; F25B2321/02; F25B2321/023; F25B2321/025; F25B2321/0251; F25D; F25D11/00; F25D11/02; F25D17/00; F25D17/04
Claims Analysis
Total Claims: 0
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US2837899A
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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) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |