US3240086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal tool for oil cartridges having centrally-pivoted radial arms
Assignee: Individual
•
Filing: 1964-06-01
•
Granted: 1966-03-15
•
Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Cameron N Way
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:07
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/14; B01D2201/00; B01D2201/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A TOOL FOR REMOVING A SUBSTANTIALLY CYLINDRICAL FILTER CARTRIDGE: A CRANK INCLUDING UPPER AND LOWER SECTIONS; THREE ARMS HAVING APERTURED ENDS LOCATED BETWEEN SAID CRANK SECTIONS; PINS CONNECTING THE CRANK SECTIONS TOGETHER AND EXTENDING THROUGH THE APERTURED END AND PIVOTALLY MOUNTING SAID ARM ENDS FOR ANGULAR MOVEMENT ABOUT PARALLEL AXIS SITUATED AT THE APICES OF AN EQUILATERAL TRIANGLE; EACH OF SAID ARMS HAVING STRAIGHT SIDE EDGES; SAID ARM ENDS HAVING ANGLED END SURFACES FOR ABUTTING THE SAID SIDE EDGES OF THE NEXT ADJACENT ARM UPON ANGULAR MOVEMENT OF THE ARMS IN ONE DIRECTIONN CORRESPONDING TO RETRACTION OF THE ARMS; THE END SURFACE OF EACH ARM EXTENDING AT AN ANGLE OF SUBSTANTIALLY 120* TO THE SIDE EDGE OF THE CORRESPONDING ARM; SAID ARMS HAVING THEIR OTHER ENDS ANGLED FOR FITTING THE PERIPHERY OF THE CARTRIDGE; ONE OF
Claim 2
Dependent Claim
137 words
IN A TOOL FOR REMOVING A SUBSTANTIALLY CYLINDRICAL FILTER CARTRIDGE: A CRANK INCLUDING UPPER AND LOWER SECTIONS; THREE ARMS HAVING APERTURED ENDS LOCATED BETWEEN SAID CRANK SECTIONS; PINS CONNECTING THE CRANK SECTIONS TOGETHER AND EXTENDING THROUGH THE APERTURED END AND PIVOTALLY MOUNTING SAID ARM ENDS FOR ANGULAR MOVEMENT ABOUT PARALLEL AXIS SITUATED AT THE APICES OF AN EQUILATERAL TRIANGLE; EACH OF SAID ARMS HAVING STRAIGHT SIDE EDGES; SAID ARM ENDS HAVING ANGLED END SURFACES FOR ABUTTING THE SAID SIDE EDGES OF THE NEXT ADJACENT ARM UPON ANGULAR MOVEMENT OF THE ARMS IN ONE DIRECTIONN CORRESPONDING TO RETRACTION OF THE ARMS; THE END SURFACE OF EACH ARM EXTENDING AT AN ANGLE OF SUBSTANTIALLY 120* TO THE SIDE EDGE OF THE CORRESPONDING ARM; SAID ARMS HAVING THEIR OTHER ENDS ANGLED FOR FITTING THE PERIPHERY OF THE CARTRIDGE; ONE OF
References Cited (Backward Citations)
US872484A
Cited
US1471353A
Cited
US1895638A
Cited
US2582444A
Cited
US3119290A
Cited
US3117476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |