US1995319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber composition and method of making the same
Assignee: Dunlop Rubber Co Ltd
•
Filing: 1932-01-27
•
Granted: 1935-03-26
•
Expires: 1952-01-27
Abstract
No abstract record available.
Inventors
- 👤 Murphy Edward Arthur
- 👤 Purkis Frank Theodore
- 👤 Twiss Douglas Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:58
CPC Classifications
C; C08; C08L; C08L7/00; C08L7/02; C09; C09J; C09J107/00; C09J107/02; Y; Y10; Y10S; Y10S528/00; Y10S528/931; Y10S528/934
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) | 1938-03-25 | 1938-09-24 | 1939-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-03-25 | 1942-09-24 | 1943-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-03-25 | 1946-09-24 | 1947-03-26 | $7700.00 | Window Closed / Lapsed |