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US2243506A
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Unitary vulcanizing element
Assignee: Individual
•
Filing: 1939-08-12
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Granted: 1941-05-27
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Expires: 1959-08-12
Abstract
No abstract record available.
Inventors
- 👤 Byron V Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:45
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/06; A; A43; A43D; A43D5/00; B29C; B29C65/00; B29C65/02; B29C65/34; B29C65/3404; B29C65/342; B29C65/48; B29C65/4805; B29C65/483; B29C65/4835; B29C65/50; B29C65/5064; B29C65/5071; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/433; B29C66/70; B29C66/71; B29C73/00; B29C73/04; B29C73/10; B29C65/3472; B29C65/3476; B29C65/5007; B29C65/5028; B29L; B29L2031/00; B29L2031/48; B29L2031/50; B29L2031/501; Y; Y10; Y10S; Y10S264/00; Y10S264/46; Y10T; Y10T152/00; Y10T152/10; Y10T152/10882
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) | 1944-05-26 | 1944-11-25 | 1945-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-05-26 | 1948-11-25 | 1949-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-05-26 | 1952-11-25 | 1953-05-27 | $7700.00 | Window Closed / Lapsed |