US3107225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latex foam rubber reinforced with a film of starch derivative and method of making same
Assignee: Goodyear Tire and Rubber Co
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Filing: 1960-12-08
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Granted: 1963-10-15
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Expires: 1980-12-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas H Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:21
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0061; C08J9/30; C08L; C08L21/00; C08J2205/00; C08J2205/04; C08J2205/05; C08J2321/00; C08J2403/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
LATEX FOAM RUBBER COMPRISING A CELLULAR BODY OF INTERCOMMUNICATING CELLS, THE WALLS OF SAID CELLS BEING MADE OF A FILM OF RUBBER REINFORCED WITH A FILM OF STARCH DERIVATIVE RESULTING FROM THE REMOVAL OF WATER FROM A WATERY FILM OF STARCH DERIVATIVE FORMED BY HEAT FROM A DISPERSION OF STARCH DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF STARCH CONTAINING ESTER SUBSTITUENTS, STARCH CONTAINING ETHER SUBSTITUENTS AND STARCH CONTAINING BOTH ESTER AND ETHER SUBSTITUENTS, THE STARCH DERIVATIVE FILM BEING IN REINFORCING RELATIONSHIP WITH SAID FILM OF RUBBER AND BEING PRESENT IN AMOUNT FROM ABOUT 1 PART TO ABOUT 20 PARTS PER 100 PARTS OF RUBBER.
Claim 2
Dependent Claim
104 words
LATEX FOAM RUBBER COMPRISING A CELLULAR BODY OF INTERCOMMUNICATING CELLS, THE WALLS OF SAID CELLS BEING MADE OF A FILM OF RUBBER REINFORCED WITH A FILM OF STARCH DERIVATIVE RESULTING FROM THE REMOVAL OF WATER FROM A WATERY FILM OF STARCH DERIVATIVE FORMED BY HEAT FROM A DISPERSION OF STARCH DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF STARCH CONTAINING ESTER SUBSTITUENTS, STARCH CONTAINING ETHER SUBSTITUENTS AND STARCH CONTAINING BOTH ESTER AND ETHER SUBSTITUENTS, THE STARCH DERIVATIVE FILM BEING IN REINFORCING RELATIONSHIP WITH SAID FILM OF RUBBER AND BEING PRESENT IN AMOUNT FROM ABOUT 1 PART TO ABOUT 20 PARTS PER 100 PARTS OF RUBBER.
References Cited (Backward Citations)
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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) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |