US1950468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyd resinous composition
Assignee: National Aniline and Chemical Co Inc
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Filing: 1930-04-18
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Granted: 1934-03-13
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Expires: 1950-04-18
Abstract
No abstract record available.
Inventors
- 👤 Zwilgmeyer Frithjof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:45
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12
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) | 1937-03-12 | 1937-09-11 | 1938-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-03-12 | 1941-09-11 | 1942-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-03-12 | 1945-09-11 | 1946-03-13 | $7700.00 | Window Closed / Lapsed |