Patent US3159491A successfully refreshed from Google Patents.
US3159491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chewing gum containing polyolefines
Assignee: Individual
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Filing: 1962-03-07
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Granted: 1964-12-01
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Expires: 1982-03-07
Abstract
No abstract record available.
Inventors
- 👤 Marvin H Mahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:21
CPC Classifications
A; A23; A23G; A23G4/00; A23G4/06; A23G4/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A CHEWING GUM COMPOSITION CONSISTING ESSENTIALLY OF A (1) SWEETENER, (2) FLAVORING MATERIAL, AND (3) A MIXTURE OF THE AMORPHOUS AND CRYSTALLINE FORMS OF A SOLID POLYMER OF A 1-OLEFINE SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE, AND A COPOLYMER OF ETHYLENE AND PROPYLENE, SAID POLYMER MIXTURE HAVING A DENSITY BELOW ABOUT 0.95 GRAM PER CUBIC CENTIMETER, AND HAVING THE CRYSTALLINE FORM OF THE POLYMER PRESENT IN AN AMOUNT LESS THAN 50% OF THE TOTAL WEIGHT.
Claim 2
Dependent Claim
77 words
A CHEWING GUM COMPOSITION CONSISTING ESSENTIALLY OF A (1) SWEETENER, (2) FLAVORING MATERIAL, AND (3) A MIXTURE OF THE AMORPHOUS AND CRYSTALLINE FORMS OF A SOLID POLYMER OF A 1-OLEFINE SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE, AND A COPOLYMER OF ETHYLENE AND PROPYLENE, SAID POLYMER MIXTURE HAVING A DENSITY BELOW ABOUT 0.95 GRAM PER CUBIC CENTIMETER, AND HAVING THE CRYSTALLINE FORM OF THE POLYMER PRESENT IN AN AMOUNT LESS THAN 50% OF THE TOTAL 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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |