Patent US1889102A successfully refreshed from Google Patents.
US1889102A
Expired / Lapsed
US
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Process and device for the direct production of filaments and threads
Assignee: Dunlop Rubber Co Ltd
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Filing: 1930-05-26
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Granted: 1932-11-29
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Expires: 1950-05-26
Abstract
No abstract record available.
Inventors
- 👤 Murphy Edward Arthur
- 👤 Twiss Douglas Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:39
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0078; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/731; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T428/2978
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) | 1935-11-29 | 1936-05-30 | 1936-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-29 | 1940-05-30 | 1940-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-29 | 1944-05-30 | 1944-11-29 | $7700.00 | Window Closed / Lapsed |