US2400808A
Expired / Lapsed
US
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Preparation of aqueous dispersions of vinyl chloride polymers
Assignee: DISPERSIONS PROCESS Inc
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Filing: 1943-09-21
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Granted: 1946-05-21
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Expires: 1963-09-21
Abstract
No abstract record available.
Inventors
- 👤 Edward R Burns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:19
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08J3/05; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06; C08L2205/00; C08L2205/02; C08L89/00; C08L89/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-05-20 | 1949-11-19 | 1950-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-20 | 1953-11-19 | 1954-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-20 | 1957-11-19 | 1958-05-21 | $7700.00 | Window Closed / Lapsed |