US2311600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inner tube manufacturing device
Assignee: National Rubber Machinery Co
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Filing: 1938-07-19
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Granted: 1943-02-16
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Expires: 1958-07-19
Abstract
No abstract record available.
Inventors
- 👤 Florian J Shook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:27
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/24; B29C; B29C65/00; B29C65/78; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/70; B29C66/71; B29C2793/00; B29C2793/0045; B29K; B29K2021/00; B29L; B29L2023/00; B29L2023/24; B29L2023/245; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1304; Y10T156/1309; Y10T156/1317; Y10T156/1343; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1734
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) | 1946-02-15 | 1946-08-17 | 1947-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-02-15 | 1950-08-17 | 1951-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-02-15 | 1954-08-17 | 1955-02-16 | $7700.00 | Window Closed / Lapsed |