US3041899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relief means for preventing interruption of the forming cycle of an upset forging machine due to overload of gripper die
Assignee: Individual
•
Filing: 1958-08-22
•
Granted: 1962-07-03
•
Expires: 1978-08-22
Abstract
No abstract record available.
Inventors
- 👤 Benninghoff William Leroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:56
CPC Classifications
B; B21; B21J; B21J9/00; B21J9/02; B21J9/06; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US432360A
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US733898A
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FR526298A
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US1618001A
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US1713974A
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US1610137A
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US1870527A
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US2002289A
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US2128152A
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DE657540C
Cited
US2236154A
Cited
US2491279A
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US2647421A
Cited
US2784665A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |