Patent US3142171A successfully refreshed from Google Patents.
US3142171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for performing accelerated aging tests on elastomers
Assignee: Apex Tire and Rubber Co
•
Filing: 1961-03-13
•
Granted: 1964-07-28
•
Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 Royen Markus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:22
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/26; G01N17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
APPARATUS FOR PERFORMING ACCELERATED AGING TESTS ON ELASTOMERS, COMPRISING AN OVEN, AN ELONGATED TUBE HAVING ENTRANCE AND EXIT ENDS MOUNTED IN SAID OVEN, MEANS CIRCULATING FRESH, HEATED AIR THROUGH SAID OVEN TO THE ENTRANCE END OF SAID TUBE, MEANS REGULATING THE FLOW OF FRESH, HEATED AIR THROUGH SAID TUBE, AND MEANS SEGREGATING AND EXHAUSTING FROM THE OVEN ALL AIR WHICH EMANATES FROM THE EXIT END OF SAID TUBE, SAID REGULATING MEANS COMPRISING A CONICAL VALVE EXTENDING INTO THE ENTRANCE END OF SAID TUBE, AND MEANS MOUNTING SAID VALVE FOR AXIAL MOVEMENT WITH RESPECT TO SAID TUBE, WHEREBY THE POSITION OF SAID VALVE
Claim 2
Dependent Claim
102 words
APPARATUS FOR PERFORMING ACCELERATED AGING TESTS ON ELASTOMERS, COMPRISING AN OVEN, AN ELONGATED TUBE HAVING ENTRANCE AND EXIT ENDS MOUNTED IN SAID OVEN, MEANS CIRCULATING FRESH, HEATED AIR THROUGH SAID OVEN TO THE ENTRANCE END OF SAID TUBE, MEANS REGULATING THE FLOW OF FRESH, HEATED AIR THROUGH SAID TUBE, AND MEANS SEGREGATING AND EXHAUSTING FROM THE OVEN ALL AIR WHICH EMANATES FROM THE EXIT END OF SAID TUBE, SAID REGULATING MEANS COMPRISING A CONICAL VALVE EXTENDING INTO THE ENTRANCE END OF SAID TUBE, AND MEANS MOUNTING SAID VALVE FOR AXIAL MOVEMENT WITH RESPECT TO SAID TUBE, WHEREBY THE POSITION OF SAID VALVE
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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |