Patent US2359967A successfully refreshed from Google Patents.
Patent US3270846A successfully refreshed from Google Patents.
US3270846A
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Friction member with friction material
Assignee: Borg Warner Corp
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Filing: 1961-04-10
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Granted: 1966-09-06
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Expires: 1981-04-10
Abstract
No abstract record available.
Inventors
- 👤 Hanns F Arledter
- 👤 Jr Carl R Canfield
- 👤 Daniel C Gillespie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:48
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/02; F16D69/021; F16D69/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A FRICTION MEMBER FOR A TORQUE CONTROL DEVICE ADAPTED TO OPERATE IN OIL COMPRISING A METALLIC BACKING MEMBER AND A RESILIENT POROUS FRICTION FACING ADHESIVELY SECURED TO THE BACKING MEMBER, SAID FRICTION FACING COMPRISING AN INTERFELTED FIBROUS PAPER SHEET CONSISTING ESSENTIALLY OF FROM ABOUT 30% TO ABOUT 70% BY WEIGHT OF AT LEAST ONE FIBROUS MATERIAL SELCTED FROM THE GROUP CONSISTING OF NATURAL CELLULOSIS FIBERS AND SYNTHETIC ORGANIC FIBERS CAPABLE OF WITHSTANDING 200*F., FROM ABOUT 5% TO ABOUT
Claim 2
Dependent Claim
78 words
A FRICTION MEMBER FOR A TORQUE CONTROL DEVICE ADAPTED TO OPERATE IN OIL COMPRISING A METALLIC BACKING MEMBER AND A RESILIENT POROUS FRICTION FACING ADHESIVELY SECURED TO THE BACKING MEMBER, SAID FRICTION FACING COMPRISING AN INTERFELTED FIBROUS PAPER SHEET CONSISTING ESSENTIALLY OF FROM ABOUT 30% TO ABOUT 70% BY WEIGHT OF AT LEAST ONE FIBROUS MATERIAL SELCTED FROM THE GROUP CONSISTING OF NATURAL CELLULOSIS FIBERS AND SYNTHETIC ORGANIC FIBERS CAPABLE OF WITHSTANDING 200*F., FROM ABOUT 5% TO ABOUT
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |