Patent US2960142A successfully refreshed from Google Patents.
US2960142A
Expired / Lapsed
US
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Hydro rubber forming of metal
Assignee: Johns Manville Corp
•
Filing: 1957-12-26
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Granted: 1960-11-15
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Expires: 1977-12-26
Abstract
No abstract record available.
Inventors
- 👤 Anthony E Cimochowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:29
CPC Classifications
B; B21; B21D; B21D15/00; B21D15/04; B21D15/10; B21D15/105; B21D22/00; B21D22/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1801498A
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US1953422A
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US2194385A
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US2372917A
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US2326990A
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US2426949A
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US2686489A
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US2624304A
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US2773538A
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FR1136143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |