US2764537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite article and method of manufacture
Assignee: Stillman Rubber Co
•
Filing: 1954-03-31
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Granted: 1956-09-25
•
Expires: 1974-03-31
Abstract
No abstract record available.
Inventors
- 👤 Bunch Walter Ray
- 👤 Harold W Sears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:41
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C08; C08K; C08K3/00; C08K3/34; C08K3/346; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A COMPOSITE PART, INCLUDING AN ALUMINUM ELEMENT AND A RUBBER ELEMENT VULCANIZED AND BONDED THERETO AND COVERING A PORTION OF THE SURFACE OF THE ALUMINUM ELEMENT, SAID RUBBER ELEMENT COMPRISING A RUBBER HYDROCARBON AND A REINFORCING COMPONENT SELECTED FROM THE GROUP CONSISTING OF CARBON BLACK AND A MIXTURE OF CARBON BLACK AND CLAY; THE QUANTITY OF CARBON BLACK NOT EXCEEDING EIGHTY PARTS BY WEIGHT FOR ONE HUNDRED PARTS BY WEIGHT OF RUBBER HYDROCARBON THE EXPOSED SURFACE OF THE ALUMINUM ELEMENT ANODIZED AND THE DIELECTRIC STRENGTH OF THE RUBBER ELEMENT BEING SUFFICIENTLY HIGH TO AVOID ANY SUBSTANTIAL DETERIORATION DURING THE ANODIZING OF THE ALUMINUM ELEMENT.
Claim 2
Dependent Claim
104 words
A COMPOSITE PART, INCLUDING AN ALUMINUM ELEMENT AND A RUBBER ELEMENT VULCANIZED AND BONDED THERETO AND COVERING A PORTION OF THE SURFACE OF THE ALUMINUM ELEMENT, SAID RUBBER ELEMENT COMPRISING A RUBBER HYDROCARBON AND A REINFORCING COMPONENT SELECTED FROM THE GROUP CONSISTING OF CARBON BLACK AND A MIXTURE OF CARBON BLACK AND CLAY; THE QUANTITY OF CARBON BLACK NOT EXCEEDING EIGHTY PARTS BY WEIGHT FOR ONE HUNDRED PARTS BY WEIGHT OF RUBBER HYDROCARBON THE EXPOSED SURFACE OF THE ALUMINUM ELEMENT ANODIZED AND THE DIELECTRIC STRENGTH OF THE RUBBER ELEMENT BEING SUFFICIENTLY HIGH TO AVOID ANY SUBSTANTIAL DETERIORATION DURING THE ANODIZING OF THE ALUMINUM ELEMENT.
References Cited (Backward Citations)
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Cited
US2346658A
Cited
US2448513A
Cited
US2537433A
Cited
US2647079A
Cited
US2681310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |