US2428453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making elastic vinyl copolymer resin textile articles
Assignee: Carbide and Carbon Chemicals Corp
•
Filing: 1943-02-01
•
Granted: 1947-10-07
•
Expires: 1963-02-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Theophilus A Feild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:40
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/224
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |