US3173978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of products from plastisols
Assignee: Uniroyal Inc
•
Filing: 1962-03-28
•
Granted: 1965-03-16
•
Expires: 1982-03-28
Abstract
No abstract record available.
Inventors
- 👤 Mark W Olson
- 👤 Fournier Valmar
- 👤 Ira D Dobbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:46
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/78; B29C48/80; B29C48/83; B29C48/832; B29C48/022; B29C48/03; B29C48/06; B29C48/86; B29C48/865; B29C48/05; B29K; B29K2027/00; B29K2027/06; Y; Y10; Y10S; Y10S264/00; Y10S264/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD OF MAKING PLASTIC ARTICLES FROM A LIQUID PLASTISOL COMPRISING SUBJECTING A SUBSTANTIALLY FULLY SOLVATED UNGELLED PLASTISOL PASTE CONSISTING ESSENTIALLY OF THE ORIGINAL DISPERSED RESIN PARTICLES IN UNFUSED AND UNGELLED SUBSTANTIALLY FULLY SOLVATED CONDITION IN THE ORIGINAL PLASTICIZER TO SHEAR AT A RATE OF FROM 500 TO 9,600 SECONDS -1 TO HEAT SAID PASTE TO A TEMPERATURE AT LEAST 400*F. ABOVE ITS FUSION TEMPERATURE AND THEN SHAPING SAID PLASTISOL INTO THE DESIRED FORM.
Claim 2
Independent Claim
74 words
A METHOD OF MAKING PLASTIC ARTICLES FROM A LIQUID PLASTISOL COMPRISING SUBJECTING A SUBSTANTIALLY FULLY SOLVATED UNGELLED PLASTISOL PASTE CONSISTING ESSENTIALLY OF THE ORIGINAL DISPERSED RESIN PARTICLES IN UNFUSED AND UNGELLED SUBSTANTIALLY FULLY SOLVATED CONDITION IN THE ORIGINAL PLASTICIZER TO SHEAR AT A RATE OF FROM 500 TO 9,600 SECONDS -1 TO HEAT SAID PASTE TO A TEMPERATURE AT LEAST 400*F. ABOVE ITS FUSION TEMPERATURE AND THEN SHAPING SAID PLASTISOL INTO THE DESIRED FORM.
References Cited (Backward Citations)
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Cited
US2651586A
Cited
US2742669A
Cited
US2855631A
Cited
US2822237A
Cited
US2876497A
Cited
US2953818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |