Patent US3108503A successfully refreshed from Google Patents.
US3108503A
Expired / Lapsed
US
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High energy rate forming machine
Assignee: General Dynamics Corp
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Filing: 1960-10-31
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Granted: 1963-10-29
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Expires: 1980-10-31
Abstract
No abstract record available.
Inventors
- 👤 Josef K Murek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:40
CPC Classifications
B; B21; B21J; B21J13/00; B21J13/04; B21J7/00; B21J7/20; B21J7/22; B21J7/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A FORMING MACHINE COMPRISING FIRST AND SECOND TELESCOPING CYLINDERS, MEANS COOPERATING WITH THE TELESCOPING CYLINDERS TO DEFINE AN EXPANSIBLE ACTUATING PRESSURE CHAMBER, A RAM CONNECTED TO THE FIRST CYLINDER, A BOLSTER CONNECTED WITH THE SECOND CYLINDER, THE RAM AND THE BOLSTER BEING MOUNTED FOR MOVEMENT RELATIVE TO EACH OTHER, MEANS SUPPORTING SAID BOLSTER ON A FOUNDATION FOR VERTICAL MOVEMENT RELATIVE THERETO, MEANS FOR MOVING THE TELESCOPING CYLINDERS RELATIVE TO EACH OTHER TO COMPRESS A GAS IN THE ACTUATING PRESSURE CHAMBER TO PROVIDE AN ACTUATING PRESSURE, AND TRIGGERING MEANS FOR RAPIDLY RELEASING THE CYLINDERS FOR RELATIVE MOVEMENT UNDER THE ACTION OF THE ACTUATING PRESSURE, WHEREBY THE RAM AND THE BOLSTER MOVE TOWARD EACH OTHER TO IMPACT AN OBJECT THEREBETWEEN.
Claim 2
Dependent Claim
118 words
A FORMING MACHINE COMPRISING FIRST AND SECOND TELESCOPING CYLINDERS, MEANS COOPERATING WITH THE TELESCOPING CYLINDERS TO DEFINE AN EXPANSIBLE ACTUATING PRESSURE CHAMBER, A RAM CONNECTED TO THE FIRST CYLINDER, A BOLSTER CONNECTED WITH THE SECOND CYLINDER, THE RAM AND THE BOLSTER BEING MOUNTED FOR MOVEMENT RELATIVE TO EACH OTHER, MEANS SUPPORTING SAID BOLSTER ON A FOUNDATION FOR VERTICAL MOVEMENT RELATIVE THERETO, MEANS FOR MOVING THE TELESCOPING CYLINDERS RELATIVE TO EACH OTHER TO COMPRESS A GAS IN THE ACTUATING PRESSURE CHAMBER TO PROVIDE AN ACTUATING PRESSURE, AND TRIGGERING MEANS FOR RAPIDLY RELEASING THE CYLINDERS FOR RELATIVE MOVEMENT UNDER THE ACTION OF THE ACTUATING PRESSURE, WHEREBY THE RAM AND THE BOLSTER MOVE TOWARD EACH OTHER TO IMPACT AN OBJECT THEREBETWEEN.
References Cited (Backward Citations)
US1633970A
Cited
US1552326A
Cited
US1957021A
Cited
US2117575A
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US2450189A
Cited
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Cited
US3010665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |