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US2589390A
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Vulcanizing unit
Assignee: Uniroyal Inc
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Filing: 1947-03-21
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Granted: 1952-03-18
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Expires: 1967-03-21
Abstract
No abstract record available.
Inventors
- 👤 Victor H Hurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:08
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0064; B29D99/0075; B29L; B29L2031/00; B29L2031/48; B29L2031/4807; B29L2031/4814; B29L2031/4828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1199420A
Cited
US1416527A
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US1504108A
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US1683740A
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US1829018A
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US2035092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |