US3065608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Defrost control
Assignee: Carrier Corp
•
Filing: 1957-03-01
•
Granted: 1962-11-27
•
Expires: 1977-03-01
Abstract
No abstract record available.
Inventors
- 👤 William A Arzberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:25
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1516739A
Cited
US2135875A
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US2479011A
Cited
US2729074A
Cited
US2687020A
Cited
US2773354A
Cited
US2716867A
Cited
US2867093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |