Patent US1836692A successfully refreshed from Google Patents.
US1836692A
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Manufacture of articles from rubber and similar materials
Assignee: Dunlop Rubber Co Ltd
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Filing: 1928-10-02
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Granted: 1931-12-15
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Expires: 1948-10-02
Abstract
No abstract record available.
Inventors
- 👤 Twiss Douglas Frank
- 👤 Murphy Edward Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:49
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/14; C; C08; C08J; C08J5/00; C08J5/02; B29K; B29K2021/00; C08J2321/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62; Y10; Y10S; Y10S264/00; Y10S264/44; Y10S425/00; Y10S425/012
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) | 1934-12-14 | 1935-06-15 | 1935-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-12-14 | 1939-06-15 | 1939-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-12-14 | 1943-06-15 | 1943-12-15 | $7700.00 | Window Closed / Lapsed |