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Patent US2612934A successfully refreshed from Google Patents.
US2612934A
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Forming roll machine
Assignee: Individual
•
Filing: 1949-06-13
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Granted: 1952-10-07
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Expires: 1969-06-13
Abstract
No abstract record available.
Inventors
- 👤 Paul P M Dubosclard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:51
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US270077A
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CH83536A
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US1840059A
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US1828489A
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DE534391C
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US2251901A
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US2325523A
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US2410603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |