US3114669A
Expired / Lapsed
US
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Assignee: Resinoid Engineering Corp
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Filing: 1960-01-08
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Granted: 1963-12-17
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Expires: 1980-01-08
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Herbst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:06
CPC Classifications
F; F02; F02M; F02M19/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/24983; Y10T428/26; Y10T428/31504; Y10T428/31652; Y10T428/31659
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A SPACER FOR USE BETWEEN THE CARBURETOR AND INTAKE MANIFOLD OF AN ENGINE, COMPRISING: A SANWICH TYPE GASKET HAVING A CENTER CORE COMPRISING BY WEIGHT A HARDENED AND COMPRESSION RESISTANT MIXTURE OF ABOUT 30% OF A PHENOL-FORMALDEHYDE RESIN AND ABOUT 70% OF ASBESTOS FIBRE, AND A RELATIVELY THIN AND SOFT SURFACE SHEET BONDED ON EACH SIDE OF THE CORE, EACH SURFACE SHEET COMPRISING BY WEIGHT A MIXTURE OF ABOUT 50% NEOPRENE AND ABOUT 50% CELLULOSE FIBRE, SAID CORE HAVING A ROCKWELL L-SCALE HARDNESS OF ABOUT 100 AND SAID SHEETS HAVING A ROCKWELL L-SCALE HARDNESS OF ABOUT 10, THE CORE HAVING A THICKNESS IN EXCESS OF THE COMBINED THICKNESS OF THE SURFACE SHEETS.
Claim 2
Dependent Claim
112 words
A SPACER FOR USE BETWEEN THE CARBURETOR AND INTAKE MANIFOLD OF AN ENGINE, COMPRISING: A SANWICH TYPE GASKET HAVING A CENTER CORE COMPRISING BY WEIGHT A HARDENED AND COMPRESSION RESISTANT MIXTURE OF ABOUT 30% OF A PHENOL-FORMALDEHYDE RESIN AND ABOUT 70% OF ASBESTOS FIBRE, AND A RELATIVELY THIN AND SOFT SURFACE SHEET BONDED ON EACH SIDE OF THE CORE, EACH SURFACE SHEET COMPRISING BY WEIGHT A MIXTURE OF ABOUT 50% NEOPRENE AND ABOUT 50% CELLULOSE FIBRE, SAID CORE HAVING A ROCKWELL L-SCALE HARDNESS OF ABOUT 100 AND SAID SHEETS HAVING A ROCKWELL L-SCALE HARDNESS OF ABOUT 10, THE CORE HAVING A THICKNESS IN EXCESS OF THE COMBINED THICKNESS OF THE SURFACE SHEETS.
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) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |