US3171823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding composition
Assignee: Motors Liquidation Co
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Filing: 1960-12-30
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Granted: 1965-03-02
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Murphy
- 👤 Sidney L Reegen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:10
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; B; B22; B22C; B22C1/00; B22C1/16; B22C1/167; C08K; C08K3/00; C08K3/01; C08K3/013; C08L31/00; C08L31/02; C08L31/04; C08L91/00; C08L67/00; C08L91/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
A SOLID MOLDABLE COMPOSITION HAND WORKABLE IN A TEMPERATURE RANGE OF ABOUT 100*F. TO 140*F. COMPRISING 90 TO 110 PARTS BY WEIGHT OF A VINYL RESIN TAKEN FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE AND POLYVINYL ACETATE, 65 TO 110 PARTS BY WEIGHT OF A POLYESTER PLASTICIZER HAVING A VISCOSITY OF FROM ABOUT 2,000 TO 10,000 POISES MEASURED AT 77*F., 105 TO 150 PARTS BY WEIGHT OF A FILLER INCLUDING ABOUT 15 TO 40 PARTS BY WEIGHT OF A THIXOTROPIC FILLER, AND 30 TO 65 PARTS BY WEIGHT OF BEESWAX PLUS A COMPOUND TAKEN FROM THE GROUP CONSISTING OF PARAFFIN WAX AND CASTOR OIL, THE PROPORTION OF BEESWAX TO SAID COMPOUND BEING IN A RATION OF ABOUT 0.5:1 TO 3:1.
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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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |