Patent US2909204A successfully refreshed from Google Patents.
US2909204A
Expired / Lapsed
US
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Composite bonded structure and method of making the same
Assignee: Motors Liquidation Co
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Filing: 1953-10-23
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Granted: 1959-10-20
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Expires: 1973-10-23
Abstract
No abstract record available.
Inventors
- 👤 Somerville Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:59
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08J5/124; C08J2321/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T156/1041; Y10T428/00; Y10T428/26; Y10T428/31504; Y10T428/31551; Y10T428/31641; Y10T428/31678; Y10T428/31707
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A METHOD OF FORMING A BONDED, DIMENSIONALLY STABLE, STRAIN-FREE STRUCTURE COMPRISING AT LEAST TWO RIGID MEMBERS HAVING DIFFERENT COEFFICIENTS OF THERMAL EXPANSION BONDED TOGETHER THROUGH AN ELASTIC, RUBBER LAYER, SAID METHOD COMPRISING APPLTING AN ADHESIVE COATING TO A SURFACE OF EACH OF THE PARTS TO BE JOINED, CURING SAID ADHESIVE COATINGS, APPLYING AN ADHESIVE LAYER TO EACH SIDE OF SAID ELASTIC RUBBER LAYER, SUBJECTING THE ADHESIVE LAYERS TO HEAT AND PRESSURE THROUGH A FLEXIBLE, HEAT-RESISTANT METAL FOIL FOR A TIME SUFFICIENT TO CAUSE SAID ADHESIVE LAYERS TO CURE WHEREBY SAID RUBBER SIDES ARE ACTIVATED FOR ADHESIVE BONDING, AND UNITING THE ADHESIVE COATED SURFACES OF SAID MEMBERS THROUGH SAID RUBBER LAYER BY MEANS OF A SUBSTANTIALLY SOLVENT-FREE, ROOM-TEMPERATURE SETTING EPOXY RESIN ADHESIVE AT SUBSTANTIALLY ROOM TEMPERATURE.
Claim 2
Independent Claim
125 words
A METHOD OF FORMING A BONDED, DIMENSIONALLY STABLE, STRAIN-FREE STRUCTURE COMPRISING AT LEAST TWO RIGID MEMBERS HAVING DIFFERENT COEFFICIENTS OF THERMAL EXPANSION BONDED TOGETHER THROUGH AN ELASTIC, RUBBER LAYER, SAID METHOD COMPRISING APPLTING AN ADHESIVE COATING TO A SURFACE OF EACH OF THE PARTS TO BE JOINED, CURING SAID ADHESIVE COATINGS, APPLYING AN ADHESIVE LAYER TO EACH SIDE OF SAID ELASTIC RUBBER LAYER, SUBJECTING THE ADHESIVE LAYERS TO HEAT AND PRESSURE THROUGH A FLEXIBLE, HEAT-RESISTANT METAL FOIL FOR A TIME SUFFICIENT TO CAUSE SAID ADHESIVE LAYERS TO CURE WHEREBY SAID RUBBER SIDES ARE ACTIVATED FOR ADHESIVE BONDING, AND UNITING THE ADHESIVE COATED SURFACES OF SAID MEMBERS THROUGH SAID RUBBER LAYER BY MEANS OF A SUBSTANTIALLY SOLVENT-FREE, ROOM-TEMPERATURE SETTING EPOXY RESIN ADHESIVE AT SUBSTANTIALLY ROOM TEMPERATURE.
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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) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |