Patent US2105413A successfully refreshed from Google Patents.
US2105413A
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Treatment of improved materials containing collagen
Assignee: Individual
•
Filing: 1934-08-24
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Granted: 1938-01-11
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Expires: 1954-08-24
Abstract
No abstract record available.
Inventors
- 👤 Dewsbury Wilfred Graham
- 👤 Davies Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:04
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/062; C10M2201/065; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2203/00; C10M2203/10; C10M2207/00; C10M2207/40; C10M2207/404; C10M2217/00; C10M2217/04; C10M2217/044; C10M2217/045; C10N; C10N2040/00; C10N2040/14; C10N2040/16; C10N2040/17; Y; Y10; Y10S; Y10S516/00; Y10S516/924; Y10S516/928
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) | 1941-01-10 | 1941-07-12 | 1942-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-01-10 | 1945-07-12 | 1946-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-01-10 | 1949-07-12 | 1950-01-11 | $7700.00 | Window Closed / Lapsed |