Patent US2770012A successfully refreshed from Google Patents.
US2770012A
Expired / Lapsed
US
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Apparatus for and method of molding rubber articles
Assignee: Individual
•
Filing: 1953-01-05
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Granted: 1956-11-13
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Expires: 1973-01-05
Abstract
No abstract record available.
Inventors
- 👤 Hulie E Bowerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:52
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29C43/18; B29C43/027; B29C43/32; B29C43/52; B29K; B29K2021/00; B29K2705/00; B29L; B29L2031/00; B29L2031/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US683979A
Cited
US717604A
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US1541357A
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US1658564A
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US1997908A
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US2092027A
Cited
US2135803A
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US2531329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |