US3381056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyblends comprising a vinyl chloride graft copolymer, a polyester urethane elastomer and vinyl polymer
Assignee: Monsanto Co
•
Filing: 1965-08-23
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Granted: 1968-04-30
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Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Ludwig A Beer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:10
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08F; C08F255/00; C08F255/02; C08L51/00; C08L51/003; C08L51/06; C08L75/00; C08L75/04; C08L75/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3267091A
Cited
US3294711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |