Patent US1923524A successfully refreshed from Google Patents.
US1923524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of goods of or containing rubber
Assignee: Dunlop Rubber Co Ltd
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Filing: 1931-06-03
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Granted: 1933-08-22
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Expires: 1951-06-03
Abstract
No abstract record available.
Inventors
- 👤 Young Harry Clarence
- 👤 Hemm Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:36
CPC Classifications
B; B29; B29D; B29D28/00; B29C; B29C41/00; B29C41/02; B29C41/12; B29C41/14; B29C41/34; B29C41/38; B29K; B29K2105/00; B29K2105/0058; B29K2105/0064
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) | 1936-08-21 | 1937-02-20 | 1937-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-21 | 1941-02-20 | 1941-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-21 | 1945-02-20 | 1945-08-22 | $7700.00 | Window Closed / Lapsed |