US3467732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers of vinyl chloride blended with chlorinated polymers
Assignee: Dow Chemical Co
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Filing: 1966-06-20
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Granted: 1969-09-16
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Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 David F Schnebelen
- 👤 Warren L Young
- 👤 Robert R Blanchard
- 👤 Glen H Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:08
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08F; C08F8/00; C08F8/18; C08F8/20; C08L23/00; C08L23/26; C08L23/28
Claims Analysis
Total Claims: 0
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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) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |