US2127896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing elastic objects from polyvinyl alcohols
Assignee: Individual
•
Filing: 1937-01-14
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Granted: 1938-08-23
•
Expires: 1957-01-14
Abstract
No abstract record available.
Inventors
- 👤 Vohrer Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:44
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/003; C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0016; B29K; B29K2029/00; B29K2029/04
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) | 1941-08-22 | 1942-02-21 | 1942-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-22 | 1946-02-21 | 1946-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-22 | 1950-02-21 | 1950-08-23 | $7700.00 | Window Closed / Lapsed |