Patent US2814101A successfully refreshed from Google Patents.
US2814101A
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US
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Forging die and method
Assignee: PREX FORGINGS Corp
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Filing: 1953-04-14
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Granted: 1957-11-26
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Expires: 1973-04-14
Abstract
No abstract record available.
Inventors
- 👤 Paul B Prough
- 👤 Arthur J Bachner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:32
CPC Classifications
B; B21; B21K; B21K23/00; B21J; B21J13/00; B21J13/02; B21J5/00; B21J5/02; B21K29/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1381102A
Cited
US1906101A
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US2194283A
Cited
US2360023A
Cited
US2372516A
Cited
US2396218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-25 | 1961-05-27 | 1961-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-25 | 1965-05-27 | 1965-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-25 | 1969-05-27 | 1969-11-26 | $7700.00 | Window Closed / Lapsed |