US3383479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for automatically controlling the operation of machines or apparatus whose functioning follows a preset programme, and particularly for controlling the defreosting of refrigerators
Assignee: Individual
•
Filing: 1966-02-01
•
Granted: 1968-05-14
•
Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Laszlo Nicolas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:17
CPC Classifications
H; H04; H04M; H04M11/00; H04M11/04; H04M11/045; F; F25; F25D; F25D21/00; F25D21/002; F25D21/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2690526A
Cited
US2687620A
Cited
US2792691A
Cited
US2975612A
Cited
US2949017A
Cited
US3089926A
Cited
US3107281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |