US2517356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solutions of polyvinyl chloride in a mixture of acetone and perchloroethylene
Assignee: Rhodiaceta SA
•
Filing: 1949-03-17
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Granted: 1950-08-01
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Expires: 1969-03-17
Abstract
No abstract record available.
Inventors
- 👤 Sale Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:40
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
SOLUTIONS OF ACETONE-INSOLUBLE POLYVINYL CHLORIDE IN A MIXTURE OF ACETONE AND PERCHLOROETHYLENE.
Claim 2
Dependent Claim
12 words
SOLUTIONS OF ACETONE-INSOLUBLE POLYVINYL CHLORIDE IN A MIXTURE OF ACETONE AND PERCHLOROETHYLENE.
References Cited (Backward Citations)
US2427513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-31 | 1954-01-30 | 1954-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-31 | 1958-01-30 | 1958-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-31 | 1962-01-30 | 1962-08-01 | $7700.00 | Window Closed / Lapsed |