Patent US2467780A successfully refreshed from Google Patents.
Patent US3336788A successfully refreshed from Google Patents.
US3336788A
Expired / Lapsed
US
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High energy impact machines
Assignee: US Industries Inc
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Filing: 1964-04-01
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Granted: 1967-08-22
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Expires: 1984-04-01
Abstract
No abstract record available.
Inventors
- 👤 Jack B Ottestad
- 👤 Gerald J Farrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:17
CPC Classifications
B; B21; B21J; B21J9/00; B21J9/10; B21J9/18; B21J7/00; B21J7/20; B21J7/22; B21J7/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A HIGH-ENERGY IMPACT MACHINE COMPRISING (A) A PAIR OF PLATES MOVABLE TOWARD AND AWAY FROM EACH OTHER, (B) A FIRST OF SAID PLATES HAVING A CYLINDER AND TWO CHAMBERS THEREIN, (C) SAID CHAMBERS AND CYLINDER INTERSECTING EACH OTHER, (D) A DRIVER PISTON (1) SLIDABLY MOUNTED IN SAID CYLINDER AND (2) HAVING (A'') A FIRST END FACE FACING TOWARD ONE OF SAID CHAMBERS AND (B'') AN OPPOSITE SECOND END FACE FACING INTO SAID CYLINDER, (E) A SEAT MEMBER EXTENDING AROUND AND DEFINING THE OUTER PERIPHERY OF SAID ONE CHAMBER DISPOSED IN POSITION TO ENGAGE SAID PISTON TO CUT OFF DIRECT COMMUNICATION BETWEEN SAID ONE CHAMBER AND BOTH SAID CYLINER AND THE SECOND OF SAID CHAMBERS,
Claim 2
Dependent Claim
114 words
A HIGH-ENERGY IMPACT MACHINE COMPRISING (A) A PAIR OF PLATES MOVABLE TOWARD AND AWAY FROM EACH OTHER, (B) A FIRST OF SAID PLATES HAVING A CYLINDER AND TWO CHAMBERS THEREIN, (C) SAID CHAMBERS AND CYLINDER INTERSECTING EACH OTHER, (D) A DRIVER PISTON (1) SLIDABLY MOUNTED IN SAID CYLINDER AND (2) HAVING (A'') A FIRST END FACE FACING TOWARD ONE OF SAID CHAMBERS AND (B'') AN OPPOSITE SECOND END FACE FACING INTO SAID CYLINDER, (E) A SEAT MEMBER EXTENDING AROUND AND DEFINING THE OUTER PERIPHERY OF SAID ONE CHAMBER DISPOSED IN POSITION TO ENGAGE SAID PISTON TO CUT OFF DIRECT COMMUNICATION BETWEEN SAID ONE CHAMBER AND BOTH SAID CYLINER AND THE SECOND OF SAID CHAMBERS,
References Cited (Backward Citations)
US2997025A
Cited
US3135140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |