US1857987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Covering of wire, thread-like and filamentary material, and the like, with india rubber, gutta-percha, balata, or similar materials or compounds thereof and apparatus therefor
Assignee: Dunlop Rubber Co Ltd
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Filing: 1928-01-18
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Granted: 1932-05-10
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Expires: 1948-01-18
Abstract
No abstract record available.
Inventors
- 👤 Twiss Douglas Frank
- 👤 Murphy Edward Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:36
CPC Classifications
B; B05; B05C; B05C3/00; B05C3/02; B05C3/12; B29; B29B; B29B15/00; B29B15/08; B29B15/10; B29B15/12; B29B15/14; Y; Y10; Y10S; Y10S118/00; Y10S118/18; Y10S524/00; Y10S524/925
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) | 1935-05-10 | 1935-11-09 | 1936-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-05-10 | 1939-11-09 | 1940-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-05-10 | 1943-11-09 | 1944-05-10 | $7700.00 | Window Closed / Lapsed |