US1797249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of cords or strings
Assignee: Dunlop Rubber Co Ltd
•
Filing: 1927-01-18
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Granted: 1931-03-24
•
Expires: 1947-01-18
Abstract
No abstract record available.
Inventors
- 👤 Truesdale Reginald
- 👤 Smith Robert Charles
- 👤 Simpson Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:02
CPC Classifications
D; D07; D07B; D07B3/00; D07B3/02; D07B3/06; Y; Y10; Y10S; Y10S118/00; Y10S118/19
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) | 1934-03-23 | 1934-09-22 | 1935-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-03-23 | 1938-09-22 | 1939-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-03-23 | 1942-09-22 | 1943-03-24 | $7700.00 | Window Closed / Lapsed |