US2631961A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding brake linings to brake shoes
Assignee: Motors Liquidation Co
•
Filing: 1947-01-24
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Granted: 1953-03-17
•
Expires: 1967-01-24
Abstract
No abstract record available.
Inventors
- 👤 Robert E Antheil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:29
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/04; F16D69/0416; F16D2069/005; F16D2069/007; F16D2069/0425; F16D2069/045; F16D2069/0466; F16D2069/0475; F16D2069/0491; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31946
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A PROCESS OF MAKING A FRICTION ASSEMBLY BY BONDING A RESIN IMPREGNATED FIBROUS FRICTION MATERIAL LINING TO A METALLIC SUPPORT MEMBER WHICH COMPRISES COATING THE RESIN IMPREGNATED FIBROUS MATERIAL WITH A LIQUID THERMOSETTING PHENOL FORMALDEHYDE RESIN, APPLYING TO THE METALLIC SUPPORT MEMBER A SOLID ADHESIVE CONSISTING OF A PHYSICAL MIXTURE OF AN ELASTOMER SELECTED FROM THE GROUP CONSISTING OF BUTADIENE ACRYLIC NITRILE COPOLYMERS AND CHLOROPRENE POLYMERS AND A POWDERED THERMOSETTING RESIN SELECTED FROM THE GROUP CONSISTING OF PHENOL FORMALDEHYDE, CRESOL FORMALDEHYDE, AND MIXTURES OF PHENOL FORMALDEHYDE AND CRESOL FORMALDEHYDE AT A TEMPERATURE BELOW THE FUSION POINT OF THE RESIN, ASSEMBLING THE FRICTION MATERIAL AND THE METALLIC SUPPORT MEMBER WITH THE COATING AND ADHESIVE IN CONTACT APPLYING HEAT AND PRESSURE TO BOND THE ASSEMBLY.
Claim 2
Dependent Claim
123 words
A PROCESS OF MAKING A FRICTION ASSEMBLY BY BONDING A RESIN IMPREGNATED FIBROUS FRICTION MATERIAL LINING TO A METALLIC SUPPORT MEMBER WHICH COMPRISES COATING THE RESIN IMPREGNATED FIBROUS MATERIAL WITH A LIQUID THERMOSETTING PHENOL FORMALDEHYDE RESIN, APPLYING TO THE METALLIC SUPPORT MEMBER A SOLID ADHESIVE CONSISTING OF A PHYSICAL MIXTURE OF AN ELASTOMER SELECTED FROM THE GROUP CONSISTING OF BUTADIENE ACRYLIC NITRILE COPOLYMERS AND CHLOROPRENE POLYMERS AND A POWDERED THERMOSETTING RESIN SELECTED FROM THE GROUP CONSISTING OF PHENOL FORMALDEHYDE, CRESOL FORMALDEHYDE, AND MIXTURES OF PHENOL FORMALDEHYDE AND CRESOL FORMALDEHYDE AT A TEMPERATURE BELOW THE FUSION POINT OF THE RESIN, ASSEMBLING THE FRICTION MATERIAL AND THE METALLIC SUPPORT MEMBER WITH THE COATING AND ADHESIVE IN CONTACT APPLYING HEAT AND PRESSURE TO BOND THE ASSEMBLY.
References Cited (Backward Citations)
US1888179A
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US2386112A
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US2415097A
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US2426421A
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US2479342A
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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) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |