Patent US2001305A successfully refreshed from Google Patents.
US2001305A
Expired / Lapsed
US
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Method of and apparatus for the production of goods of rubber or similar material
Assignee: Dunlop Rubber Co Ltd
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Filing: 1934-05-17
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Granted: 1935-05-14
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Expires: 1954-05-17
Abstract
No abstract record available.
Inventors
- 👤 Gorham Walter George
- 👤 Trobridge Geoffrey William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:26
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/20; B29C67/202; H; H01; H01M; H01M50/00; H01M50/40; H01M50/471; H01M50/477; H01M50/48; H01M50/486; B29C33/00; B29C33/0033; B29C33/30; B29C33/301; B29C35/00; B29C35/02; B29K; B29K2021/00; B29K2105/00; B29K2105/04; B29L; B29L2031/00; B29L2031/34; B29L2031/3468; Y; Y02; Y02E; Y02E60/00; Y02E60/10
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) | 1938-05-13 | 1938-11-12 | 1939-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-05-13 | 1942-11-12 | 1943-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-05-13 | 1946-11-12 | 1947-05-14 | $7700.00 | Window Closed / Lapsed |