Patent US2663693A successfully refreshed from Google Patents.
US2663693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nailable material from natural rubber or butadiene-styrene copolymer, plasticizer, cellulose, and asbestos
Assignee: Brasco Manufacturing Co
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Filing: 1950-08-17
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Granted: 1953-12-22
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Expires: 1970-08-17
Abstract
No abstract record available.
Inventors
- 👤 Carl B Hess
- 👤 Henry M Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:13
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/02; F16D69/021; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A NALILABE MATERIAL COMPRISING 18-2K% OF A VULCANIZED RUBBER COMPOSITION BINDER, SAID BINDER CONTAINING AN ELASTOMER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER AND A BUTADIENESTYRENE CO-POLYMER, SAID BINDER ALSO CONTAINING A PERMANENT PLASTICIZER SELECTED FROMTHE GROUP CONSISTING OF COUMARONE-INDENE RESINS, COAL TAROI WITH BOILING RANGE OVER 400* F., AND AN AROMATIC UNSATURATED SULFUR-REACTIVE PETROLEUM HYDROCARBON OIL WITH BOILING RANGE OVER 600* F., SAID PLASTICIZER BEING PRESENT IN THE RATIO OF 100 PARTS OF ELASTOMER TO 30-50 PARTS OF PLASTICIZER; 40-55% OF AN ABSESTOS FRICTION MATRIAL AND 20-35% OF A COMPRESSIBLE CELLULOSE FIBROUS FILLER WHOSE PARTICLE SIZE APPROXIMATES THAT OF SAWDUST, ALL PERCENTAGES BEING BY WEIGHT.
Claim 2
Dependent Claim
107 words
A NALILABE MATERIAL COMPRISING 18-2K% OF A VULCANIZED RUBBER COMPOSITION BINDER, SAID BINDER CONTAINING AN ELASTOMER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER AND A BUTADIENESTYRENE CO-POLYMER, SAID BINDER ALSO CONTAINING A PERMANENT PLASTICIZER SELECTED FROMTHE GROUP CONSISTING OF COUMARONE-INDENE RESINS, COAL TAROI WITH BOILING RANGE OVER 400* F., AND AN AROMATIC UNSATURATED SULFUR-REACTIVE PETROLEUM HYDROCARBON OIL WITH BOILING RANGE OVER 600* F., SAID PLASTICIZER BEING PRESENT IN THE RATIO OF 100 PARTS OF ELASTOMER TO 30-50 PARTS OF PLASTICIZER; 40-55% OF AN ABSESTOS FRICTION MATRIAL AND 20-35% OF A COMPRESSIBLE CELLULOSE FIBROUS FILLER WHOSE PARTICLE SIZE APPROXIMATES THAT OF SAWDUST, ALL PERCENTAGES BEING BY WEIGHT.
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) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |