US3158048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact machine
Assignee: Warner and Swasey Co
•
Filing: 1960-10-25
•
Granted: 1964-11-24
•
Expires: 1980-10-25
Abstract
No abstract record available.
Inventors
- 👤 Leo C Bollar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:28
CPC Classifications
B; B21; B21J; B21J7/00; B21J7/20; B21J7/22; B21J7/24; B21J13/00; B21J13/08; B21J13/14; Y; Y10; Y10S; Y10S425/00; Y10S425/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A HIGH ENERGY SUDDEN IMPACT MACHINE COMPRISING A PAIR OF VERTICALLY SPACED UPPER AND LOWER PLATENS BOTH VERTICALLY MOVABLE, A CYLINDER ABOVE THE UPPER PLATEN AND CONNECTED TO THE LOWER PLATEN TO BE VERTICALLY MOVABLE THEREWITH, A RAM CONTAINED IN THE CYLINDER AND CONNECTED TO THE UPPER PLATEN SO THAT OPPOSITE RELATIVE AXIAL MOVEMENTS OF THE CYLINDER AND RAM MOVE THE PLATENS RELATIVELY TOWARD AND AWAY FROM EACH OTHER, SAID CYLINDER INCLUDING A HEAD CONTAINING A BORE WHICH RECEIVES AND HAS SEALING ENGAGEMENT WITH A PERIPHERAL SURFACE OF THE UPPER END OF THE RAM, MEANS FOR INTRODUCING HIGH PRESSURE GAS TO THE CYLINDER, MEANS OPERABLE TO DISPLACE SAID RAM, SAID RAM HAVING OPEN ANNULAR SPACING FROM THE CYLINDER THROUGHOUT THE EXTENT OF THE RAM TRAVEL THEREIN TO PROVIDE A COMPRESSED GAS CHAMBER, MEANS FOR SUPPLYING COMPRESSED GAS TO SAID CHAMBER, AND AN ANNULAR PISTON IN SAID CHAMBER ABOUT THE RAM AND OPERABLE TO ELEVATE THE RAM INTO SAID CYLINDER HEAD BORE.
Claim 2
Dependent Claim
161 words
A HIGH ENERGY SUDDEN IMPACT MACHINE COMPRISING A PAIR OF VERTICALLY SPACED UPPER AND LOWER PLATENS BOTH VERTICALLY MOVABLE, A CYLINDER ABOVE THE UPPER PLATEN AND CONNECTED TO THE LOWER PLATEN TO BE VERTICALLY MOVABLE THEREWITH, A RAM CONTAINED IN THE CYLINDER AND CONNECTED TO THE UPPER PLATEN SO THAT OPPOSITE RELATIVE AXIAL MOVEMENTS OF THE CYLINDER AND RAM MOVE THE PLATENS RELATIVELY TOWARD AND AWAY FROM EACH OTHER, SAID CYLINDER INCLUDING A HEAD CONTAINING A BORE WHICH RECEIVES AND HAS SEALING ENGAGEMENT WITH A PERIPHERAL SURFACE OF THE UPPER END OF THE RAM, MEANS FOR INTRODUCING HIGH PRESSURE GAS TO THE CYLINDER, MEANS OPERABLE TO DISPLACE SAID RAM, SAID RAM HAVING OPEN ANNULAR SPACING FROM THE CYLINDER THROUGHOUT THE EXTENT OF THE RAM TRAVEL THEREIN TO PROVIDE A COMPRESSED GAS CHAMBER, MEANS FOR SUPPLYING COMPRESSED GAS TO SAID CHAMBER, AND AN ANNULAR PISTON IN SAID CHAMBER ABOUT THE RAM AND OPERABLE TO ELEVATE THE RAM INTO SAID CYLINDER HEAD BORE.
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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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |