US3270436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clothes drier
Assignee: FAIRGRIEVE AND SON Ltd
•
Filing: 1963-08-26
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Granted: 1966-09-06
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Expires: 1983-08-26
Abstract
No abstract record available.
Inventors
- 👤 Donald F Fairgrieve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:56
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN A CLOTHES DRIER HAVING A CABINET, A SUBSTANTIALLY CYLINDRICAL DRUM IN SAID CABINET MOUNTED FOR ROTATION ABOUT A HORIZONTAL AXIS AND HAVING CO-AXIAL OPENINGS IN THE ENDS THEREOF, THE FORWARD END OF SAID DRUM BEING PERFORATED TO COMMUNICATE WITH SAID CABINET, A DOOR IN ONE WALL OF THE CABINET CLOSING THE FRONT OPENING IN SAID DRUM, A FIXED AIR HEATING ENCLOSURE POSITIONED AT THE REAR OF SAID DRUM AND EMBRACING A FIRST OPENING THEREIN COAXIAL WITH SAID REAR OPENING IN SAID DRUM, SAID ENCLOSURE HAVING A SECOND OPENING TO PERMIT ENTRANCE OF AIR AND COMMUNICATING WITH SAID FIRST OPENING, A HOUSING ENCLOSED EXHAUST FAN POSITIONED IN SAID CABINET OUTSIDE SAID DRUM, SAID HOUSING HAVING OPENINGS CONNECTING SAID CABI-
Claim 2
Dependent Claim
119 words
IN A CLOTHES DRIER HAVING A CABINET, A SUBSTANTIALLY CYLINDRICAL DRUM IN SAID CABINET MOUNTED FOR ROTATION ABOUT A HORIZONTAL AXIS AND HAVING CO-AXIAL OPENINGS IN THE ENDS THEREOF, THE FORWARD END OF SAID DRUM BEING PERFORATED TO COMMUNICATE WITH SAID CABINET, A DOOR IN ONE WALL OF THE CABINET CLOSING THE FRONT OPENING IN SAID DRUM, A FIXED AIR HEATING ENCLOSURE POSITIONED AT THE REAR OF SAID DRUM AND EMBRACING A FIRST OPENING THEREIN COAXIAL WITH SAID REAR OPENING IN SAID DRUM, SAID ENCLOSURE HAVING A SECOND OPENING TO PERMIT ENTRANCE OF AIR AND COMMUNICATING WITH SAID FIRST OPENING, A HOUSING ENCLOSED EXHAUST FAN POSITIONED IN SAID CABINET OUTSIDE SAID DRUM, SAID HOUSING HAVING OPENINGS CONNECTING SAID CABI-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |