US1349560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for producing a hollow rubber biscuit
Assignee: Mechanical Rubber Co
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Filing: 1919-09-23
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Granted: 1920-08-17
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Expires: 1939-09-23
Abstract
No abstract record available.
Inventors
- 👤 Henry Z Cobb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:39
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26; B29C51/266; B29C51/267; B29C65/00; B29C65/02; B29C65/18; B29C66/00; B29C66/004; B29C66/0046; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5346; B29C66/53461; B29C66/70; B29C66/71; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/8351; B29C66/83511; B29D; B29D22/00; B29C2791/00; B29C2791/004; B29C2791/006; B29K; B29K2021/00; B29L; B29L2022/00; B29L2022/02
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) | 1923-08-17 | 1924-02-16 | 1924-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-08-17 | 1928-02-16 | 1928-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-08-17 | 1932-02-16 | 1932-08-17 | $7700.00 | Window Closed / Lapsed |