US2125374A
Expired / Lapsed
US
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Polymerized vinyl compounds
Assignee: CHEMISCHE FORSCHUNGS GmbH
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Filing: 1936-05-13
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Granted: 1938-08-02
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Expires: 1956-05-13
Abstract
No abstract record available.
Inventors
- 👤 Willy O Herrmann
- 👤 Haehnel Wolfram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:27
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; C08K; C08K3/00; C08K3/10; C08K3/11; C08K5/00; C08K5/16; C08K5/22; C08K5/23; C08K5/235; C08L; C08L29/00; C08L29/14; C08J2357/00; Y; Y10; Y10S; Y10S8/00; Y10S8/10
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) | 1941-08-01 | 1942-01-31 | 1942-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-01 | 1946-01-31 | 1946-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-01 | 1950-01-31 | 1950-08-02 | $7700.00 | Window Closed / Lapsed |