US3085349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clothes drying apparatus
Assignee: Borg Warner Corp
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Filing: 1960-12-05
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Granted: 1963-04-16
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Expires: 1980-12-05
Abstract
No abstract record available.
Inventors
- 👤 Marion A Barbee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:56
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/20; D06F58/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A SIGNALLING DEVICE FOR A LAUNDRY DRYING MACHINE COMPRISING THE COMBINATION OF A BLOWER FOR PROVIDING A STREAM OF PRESSURIZED AIR THROUGH THE DRYING MACHINE, A LINT FILTER IN THE EXHAUST PATH OF SAID AIR STREAM, A SOUND PRODUCING SIGNALLING DEVICE EXPOSED TO SAID AIR STREAM AND ADAPTED TO ALLOW PART OF SAID PRESSURIZED AIR TO VENT THERETHROUGH TO THE ATMOSPHERE, SAID SIGNALLING DEVICE HAVING A WHISTLE IN THE PATH OF SAID VENTED AIR AND OPERABLE THEREBY WHEN SAID AIR PRESSURE IS HIGHTER THAN A PREDETERMINED MAXIMUM, DUE TO LINT CLOGGING SAID FILTER, A FILTER SCREEN SECURED TO SAID SIGNALLING DEVICE FOR FILTERING AIR PRIOR TO VENTING THROUGH SAID WHISTLE, A BAFFLE SECURED TO SAID SIGNALLING DEVICE ADJACENT SAID FILTER SCREEN FOR PROTECTING SAID SCREEN, AND A SHIELD SECURED TO SAID SIGNALLING DEVICE ADJACENT THE ATMOSPHERIC SIDE OF SAID WHISTLE.
Claim 2
Dependent Claim
140 words
A SIGNALLING DEVICE FOR A LAUNDRY DRYING MACHINE COMPRISING THE COMBINATION OF A BLOWER FOR PROVIDING A STREAM OF PRESSURIZED AIR THROUGH THE DRYING MACHINE, A LINT FILTER IN THE EXHAUST PATH OF SAID AIR STREAM, A SOUND PRODUCING SIGNALLING DEVICE EXPOSED TO SAID AIR STREAM AND ADAPTED TO ALLOW PART OF SAID PRESSURIZED AIR TO VENT THERETHROUGH TO THE ATMOSPHERE, SAID SIGNALLING DEVICE HAVING A WHISTLE IN THE PATH OF SAID VENTED AIR AND OPERABLE THEREBY WHEN SAID AIR PRESSURE IS HIGHTER THAN A PREDETERMINED MAXIMUM, DUE TO LINT CLOGGING SAID FILTER, A FILTER SCREEN SECURED TO SAID SIGNALLING DEVICE FOR FILTERING AIR PRIOR TO VENTING THROUGH SAID WHISTLE, A BAFFLE SECURED TO SAID SIGNALLING DEVICE ADJACENT SAID FILTER SCREEN FOR PROTECTING SAID SCREEN, AND A SHIELD SECURED TO SAID SIGNALLING DEVICE ADJACENT THE ATMOSPHERIC SIDE OF SAID WHISTLE.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |