US1867879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of rubber footwear
Assignee: Cambridge Rubber Co
•
Filing: 1929-05-14
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Granted: 1932-07-19
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Expires: 1949-05-14
Abstract
No abstract record available.
Inventors
- 👤 Crockett James Barret
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:41
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/14; A; A43; A43B; A43B1/00; A43B1/0027; B29D; B29D35/00; B29D35/06; B29K; B29K2021/00
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) | 1935-07-19 | 1936-01-18 | 1936-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-07-19 | 1940-01-18 | 1940-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-07-19 | 1944-01-18 | 1944-07-19 | $7700.00 | Window Closed / Lapsed |