US3354693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High energy rate forming machine
Assignee: Kobe Steel Ltd
•
Filing: 1964-07-21
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Granted: 1967-11-28
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Expires: 1984-07-21
Abstract
No abstract record available.
Inventors
- 👤 Asari Akira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:54
CPC Classifications
B; B21; B21J; B21J7/00; B21J7/20; B21J7/22; B21J7/24; B30; B30B; B30B1/00; B30B1/32; B30B1/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A HIGH ENERGY RATE FORMING MACHINE WHICH COMPRISES: A RAM ADAPTED TO BE ACTUATED AT A HIGH RATE BY GAS PRESSURE; A PISTON PROVIDED ON SAID RAM; A PRESSURE CHAMBER ADAPTED TO CONTAIN GAS UNDER HIGH PRESSURE AND HAVING A DIAMETER SUBSTANTIALLY LARGER THAN THE DIAMETER OF SAID PISTON, SAID PISTON PASSING THROUGH A SLIDING SEAL IN ONE END OF SAID CHAMBER; A PLUNGER-CYLINDER ASSEMBLY DISPOSED BETWEEN ONE END OF SAID PISTON AND THE OTHER END OF SAID PRESSURE CHAMBER, SAID PLUNGER BEING FORMED INTEGRAL WITH SAID PISTON AND SAID CYLINDER BEING FORMED INTEGRAL WITH SAID PRESSURE CHAMBER; AND A JACK DEVICE LOCATED ENTIRELY OUTSIDE SAID CHAMBER FOR RETURNING SAID RAM TO ITS INITIAL POSITION AFTER IT HAS DESCENDED; SAID CYLINDER AND SAID PRESSURE CHAMBER COMMUNICATING WITH
Claim 2
Dependent Claim
127 words
A HIGH ENERGY RATE FORMING MACHINE WHICH COMPRISES: A RAM ADAPTED TO BE ACTUATED AT A HIGH RATE BY GAS PRESSURE; A PISTON PROVIDED ON SAID RAM; A PRESSURE CHAMBER ADAPTED TO CONTAIN GAS UNDER HIGH PRESSURE AND HAVING A DIAMETER SUBSTANTIALLY LARGER THAN THE DIAMETER OF SAID PISTON, SAID PISTON PASSING THROUGH A SLIDING SEAL IN ONE END OF SAID CHAMBER; A PLUNGER-CYLINDER ASSEMBLY DISPOSED BETWEEN ONE END OF SAID PISTON AND THE OTHER END OF SAID PRESSURE CHAMBER, SAID PLUNGER BEING FORMED INTEGRAL WITH SAID PISTON AND SAID CYLINDER BEING FORMED INTEGRAL WITH SAID PRESSURE CHAMBER; AND A JACK DEVICE LOCATED ENTIRELY OUTSIDE SAID CHAMBER FOR RETURNING SAID RAM TO ITS INITIAL POSITION AFTER IT HAS DESCENDED; SAID CYLINDER AND SAID PRESSURE CHAMBER COMMUNICATING WITH
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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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |