US3279609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw on type filter
Assignee: Dana Inc
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Filing: 1964-03-03
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Granted: 1966-10-18
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Expires: 1984-03-03
Abstract
No abstract record available.
Inventors
- 👤 Paul L Francois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:22
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/14; Y; Y10; Y10S; Y10S210/00; Y10S210/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A SCREW-ON THROW AWAY FILTER CARTRIDGE ENCASING SHELL HAVING A BODY WALL JOINED AT ONE END OF AN OUTER END WALL AND HAVING A MOUNTING END WALL AT ITS OTHER END PROVIDED WITH FLUID INLET AND OUTLET MEANS, SCREW THREAD MEANS CARRIED BY THE MOUNTING END WALL FOR SECURING THE SHELL WITH AN ENCASED FILTER CARTRIDGE IN OPERATIVE POSITION, A STUD ON AND EXTENDING AXIALLY OF SAID OUTER END WALL, A NUT, MEANS COUPLING THE NUT WITH SAID STUD SO THAT ROTATION OF THE NUT IN ONE DIRECTION THEREON FEEDS THE NUT TO A LOCKED NONROTATABLE POSITION, AND SAID SCREW THREAD MEANS BEING OF A HAND OPPOSITE TO SAID ONE DIRECTION OF ROTATION OF SAID NUT.
Claim 2
Dependent Claim
116 words
A SCREW-ON THROW AWAY FILTER CARTRIDGE ENCASING SHELL HAVING A BODY WALL JOINED AT ONE END OF AN OUTER END WALL AND HAVING A MOUNTING END WALL AT ITS OTHER END PROVIDED WITH FLUID INLET AND OUTLET MEANS, SCREW THREAD MEANS CARRIED BY THE MOUNTING END WALL FOR SECURING THE SHELL WITH AN ENCASED FILTER CARTRIDGE IN OPERATIVE POSITION, A STUD ON AND EXTENDING AXIALLY OF SAID OUTER END WALL, A NUT, MEANS COUPLING THE NUT WITH SAID STUD SO THAT ROTATION OF THE NUT IN ONE DIRECTION THEREON FEEDS THE NUT TO A LOCKED NONROTATABLE POSITION, AND SAID SCREW THREAD MEANS BEING OF A HAND OPPOSITE TO SAID ONE DIRECTION OF ROTATION OF SAID NUT.
References Cited (Backward Citations)
US3193101A
Cited
US3224585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |