US2336944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of rubber sheeting
Assignee: Dunlop Rubber Co Ltd
•
Filing: 1941-01-29
•
Granted: 1943-12-14
•
Expires: 1961-01-29
Abstract
No abstract record available.
Inventors
- 👤 Madge Evelyn William
- 👤 Purkis Frank Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:27
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/22; B29C43/24; B29C43/003; B29K; B29K2021/00; B29L; B29L2007/00; 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) | 1946-12-13 | 1947-06-14 | 1947-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-12-13 | 1951-06-14 | 1951-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-12-13 | 1955-06-14 | 1955-12-14 | $7700.00 | Window Closed / Lapsed |