US3287818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic dryer control pick-up device
Assignee: Whirlpool Corp
•
Filing: 1964-03-12
•
Granted: 1966-11-29
•
Expires: 1984-03-12
Abstract
No abstract record available.
Inventors
- 👤 Donald E Janke
- 👤 Sandy C Gay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:12
CPC Classifications
G; G05; G05D; G05D22/00; G05D22/02; D; D06; D06F; D06F34/00; D06F34/14; D06F34/18; D06F2103/00; D06F2103/02; D06F2103/08; D06F2103/10; D06F58/00; D06F58/32; D06F58/34; D06F58/36; D06F58/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A CLOTHES DRYER, A CASING, A DRUM SUPPORTED FOR ROTATION WITHIN SAID CASING A TUMBLE CLOTHES THEREWITHIN, AND CONTROL MEANS FOR SENSING THE ELECTRICAL RESISTANCE OF THE CLOTHES, COMPRISING: INSULATING CONTACT MEANS INSIDE SAID DRUM FOR ENGAGING THE CLOTHES, A CONTINUOUS METAL SLIP RING OUTSIDE SAID DRUM ELECTRICALLY CONNECTED TO SAID CONTACT MEANS, A STRIP OF INSULATING MATERIAL BETWEEN SAID SLIP RING AND THE OUTSIDE SURFACE OF SAID DRUM, SAID STRIP BEING STRESSED IN OPPOSITION TO TENSION IN SAID RING TO PROVIDE A FIRM FIRCTIONAL LOCKING OF SAID SLIP RING AND STRIP IN POSITION FOR CO-ROTATION WITH SAID DRUM, A STATIONARY BRUSH CARRIED FROM SAID CASING AND ENGAGING SAID SLOP RING, AND MEANS ELECTRICALLY INTERCONNECTING TO SAID BRUSH AND SAID CONTROL MEANS.
Claim 2
Dependent Claim
123 words
IN A CLOTHES DRYER, A CASING, A DRUM SUPPORTED FOR ROTATION WITHIN SAID CASING A TUMBLE CLOTHES THEREWITHIN, AND CONTROL MEANS FOR SENSING THE ELECTRICAL RESISTANCE OF THE CLOTHES, COMPRISING: INSULATING CONTACT MEANS INSIDE SAID DRUM FOR ENGAGING THE CLOTHES, A CONTINUOUS METAL SLIP RING OUTSIDE SAID DRUM ELECTRICALLY CONNECTED TO SAID CONTACT MEANS, A STRIP OF INSULATING MATERIAL BETWEEN SAID SLIP RING AND THE OUTSIDE SURFACE OF SAID DRUM, SAID STRIP BEING STRESSED IN OPPOSITION TO TENSION IN SAID RING TO PROVIDE A FIRM FIRCTIONAL LOCKING OF SAID SLIP RING AND STRIP IN POSITION FOR CO-ROTATION WITH SAID DRUM, A STATIONARY BRUSH CARRIED FROM SAID CASING AND ENGAGING SAID SLOP RING, AND MEANS ELECTRICALLY INTERCONNECTING TO SAID BRUSH AND SAID CONTROL MEANS.
References Cited (Backward Citations)
US1108940A
Cited
US1493859A
Cited
US2070343A
Cited
US2759145A
Cited
US3200511A
Cited
US3122426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |