US3399541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Defroster control
Assignee: Individual
•
Filing: 1966-04-25
•
Granted: 1968-09-03
•
Expires: 1986-04-25
Abstract
No abstract record available.
Inventors
- 👤 Robert H Thorner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:28
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2117066A
Cited
US2436735A
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US2463216A
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US2487154A
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US2645905A
Cited
US2624180A
Cited
US2744389A
Cited
US2949016A
Cited
US2888808A
Cited
US3022640A
Cited
US3033004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |