Patent US2619442A successfully refreshed from Google Patents.
US2619442A
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Reinforced friction element
Assignee: Johns Manville Corp
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Filing: 1949-08-20
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Granted: 1952-11-25
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Expires: 1969-08-20
Abstract
No abstract record available.
Inventors
- 👤 Edgar D Shippee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:37
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/02; F16D69/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A RELATIVELY ELONGATED FRICTION ELEMENT COMPRISING A BONDED COMPOSITION BODY AND A METALLIC REINFORCING NETWORK, SAID NETWORK COMPRISING A KNITTED METALLIC WIRE FABRIC EMBEDDED IN SAID BODY AND COMPRISING INTERENGAGED WIRE LOOPS LYING SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF THE BODY WHEREIN SLIDING PLAY IS PERMITTED BETWEEN LONGITUDINALLY ADJOINED LOOPS TOWARD AND FROM EACH OTHER THROUGHOUT THE FABRIC MASS, SAID METALLIC REINFORCING NETWORK BEING POSITIONED BETWEEN THE NEUTRAL STRESS PLANE POSITIONED SUBSTANTIALLY AT THE TRANSVERSE SECTIONAL CENTER OF SAID FRICTION ELEMENT AND THE SURFACE OF SAID ELEMENT OPPOSITE ITS WEAR FACE.
Claim 2
Dependent Claim
92 words
A RELATIVELY ELONGATED FRICTION ELEMENT COMPRISING A BONDED COMPOSITION BODY AND A METALLIC REINFORCING NETWORK, SAID NETWORK COMPRISING A KNITTED METALLIC WIRE FABRIC EMBEDDED IN SAID BODY AND COMPRISING INTERENGAGED WIRE LOOPS LYING SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF THE BODY WHEREIN SLIDING PLAY IS PERMITTED BETWEEN LONGITUDINALLY ADJOINED LOOPS TOWARD AND FROM EACH OTHER THROUGHOUT THE FABRIC MASS, SAID METALLIC REINFORCING NETWORK BEING POSITIONED BETWEEN THE NEUTRAL STRESS PLANE POSITIONED SUBSTANTIALLY AT THE TRANSVERSE SECTIONAL CENTER OF SAID FRICTION ELEMENT AND THE SURFACE OF SAID ELEMENT OPPOSITE ITS WEAR FACE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |