US3624918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clothes dryers
Assignee: Individual
•
Filing: 1970-05-15
•
Granted: 1971-12-07
•
Expires: 1990-05-15
Abstract
Abstract THIS INVENTION CONSISTS OF A RELAY OPERABLE BY THE USER OF A CLOTHES DRYER TO ALTER THE NORMAL OPERATION OF THE MACHINE BY TURNING OFF THE HEAT WHILE THE MACHINE CONTINUES TO TUMBLE THE CLOTHS AND BLOW AIR THROUGH THEM TO COOL THE CLOTHES FOR WRINKLE FREE DRYING OF PERMANENT PRESS FABRICS, WHICH RELAY IS COUPLED TO THE CLOTHS DOOR OF THE MACHINE SO THAT WHEN THE DOOR IS OPENED THE ACTION OF THE USER IS CANCELLED, RESTORING THE DRYER HEATED TO THE NORMAL THERMOSTATIC CONTROL SO THAT THE NEXT USER OF THE MACHINE IS ASSURED TO RECEIVING FULL DRYING CAPACITY.
Inventors
- 👤 Maurice Ben Heftler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:56
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/30; D06F2103/00; D06F2103/28; D06F2103/32; D06F2103/38; D06F2103/40; D06F2105/00; D06F2105/28; D06F34/00; D06F34/14; D06F34/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-06 | 1975-06-07 | 1975-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-06 | 1979-06-07 | 1979-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-06 | 1983-06-07 | 1983-12-07 | $7700.00 | Window Closed / Lapsed |