US2441885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat pump control device
Assignee: MUNCIE GEAR WORKS Inc
•
Filing: 1946-12-26
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Granted: 1948-05-18
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Expires: 1966-12-26
Abstract
No abstract record available.
Inventors
- 👤 Emory N Kemler
- 👤 William C Pease
- 👤 Jr Sabert Oglesby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:04
CPC Classifications
F; F25; F25B; F25B13/00; B; B01; B01D; B01D1/00; B01D1/28; B01D1/2896; F25B2313/00; F25B2313/027; F25B2313/02791
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2042812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |