US1940145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the manufacture of rubber tubing
Assignee: Davol Rubber Co
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Filing: 1932-01-30
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Granted: 1933-12-19
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Expires: 1952-01-30
Abstract
No abstract record available.
Inventors
- 👤 Paul A Raiche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:54
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; B29C53/62; B29C53/64; B29C53/80; B29C53/8008; B29C53/8083; B29C53/581; B29C53/582; 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) | 1936-12-18 | 1937-06-19 | 1937-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-12-18 | 1941-06-19 | 1941-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-12-18 | 1945-06-19 | 1945-12-19 | $7700.00 | Window Closed / Lapsed |