US3570138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clothes dryers
Assignee: Valeo Engine Cooling Inc
•
Filing: 1968-11-12
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Granted: 1971-03-16
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Expires: 1988-11-12
Abstract
Abstract A CLOTHES DRYER HAVING A HOUSING WITH A TOP, BOTTOM AND FOUR SIDEWALLS, ONE SIDEWALL HAVING AN OPENING COAXIAL WITH A ROTATABLE DRUM IN THE HOUSING HAVING AXIAL END OPENINGS BOUNDED BY AXIAL FLANGES SUPPORTED IN RADIAL DUCTS, ONE ON THE WALL SURROUNDING THE OPENING AND THE OTHER ON THE OPPOSITE SIDEWALL, MEANS FOR DELIVERING HOT AIR THROUGH THE DUCTS AND DRUM AND A DRIVE MEANS ENGAGING THE PERIPHERY OF THE DRUM FOR ROTATING THE SAME.
Inventors
- 👤 Peyton W Douglas
- 👤 Russell Patrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:00
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/02
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) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |