Patent US2089925A successfully refreshed from Google Patents.
US2089925A
Expired / Lapsed
US
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Rubber impregnated fibrous material
Assignee: Dewey and Almy Chemical Co
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Filing: 1935-04-05
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Granted: 1937-08-10
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Expires: 1955-04-05
Abstract
No abstract record available.
Inventors
- 👤 Stephen B Neiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:00
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C70/086; B29K; B29K2021/00; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0809; C08J2321/00; C08J2321/02
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) | 1940-08-09 | 1941-02-08 | 1941-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-09 | 1945-02-08 | 1945-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-09 | 1949-02-08 | 1949-08-10 | $7700.00 | Window Closed / Lapsed |