Patent US3099135A successfully refreshed from Google Patents.
US3099135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically actuated tool
Assignee: Manco Manufacturing Co
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Filing: 1957-02-25
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Granted: 1963-07-30
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Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 Hoadley Cyrus Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:07
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A HYDRAULIC APPARATUS OF THE TYPE DESCRIBED COMPRISING A TOOL INCLUDING A MEMBER ADAPTED TO BE FORCED THROUGH A WORKPIECE, A HYDRAULICALLY OPERATED SPRING RETURNED PISTON CONNECTED WITH SAID MEMBER FOR ACTUATING SAID MEMBER AND RECIPROCABLY DISPOSED IN A PISTON CHAMBER, A REMOTELY LOCATED HYDRAULIC FLUID RESERVOIR, CONTINUOUSLY OPERABLE PUMP MEANS CONNECTED WITH SAID RESERVOIR FOR CONTINUOUSLY SUPPLYING HYDRAULIC FLUID UNDER HIGH PRESSURE, VALVE BODY MEANS LOCATED BETWEEN SAID PUMP MEANS AND SAID PISTON CHAMBER AND SUBSTANTIALLY AT SAID PISTON CHAMBER, SAID VALVE BODY MEANS INCLUDING AN INLET PORT, AND OUTLET PORT AND A THIRD PORT COMMUNICATING WITH SAID INLET OUTLET PORTS, SAID OUTLET PORT BEING SUFFICIENTLY LARGE AS COMPARED WITH SAID INLET PORT FOR PROVIDING FOR SUBSTANTIALLY FREE FLUID FLOW FROM SAID INLET PORT THROUGH SAID OUTLET PORT, A PAIR OF CONDUIT MEANS RESPECTIVELY CONNECTING SAID PUMP TO SAID INLET PORT AND SAID
Claim 2
Dependent Claim
144 words
A HYDRAULIC APPARATUS OF THE TYPE DESCRIBED COMPRISING A TOOL INCLUDING A MEMBER ADAPTED TO BE FORCED THROUGH A WORKPIECE, A HYDRAULICALLY OPERATED SPRING RETURNED PISTON CONNECTED WITH SAID MEMBER FOR ACTUATING SAID MEMBER AND RECIPROCABLY DISPOSED IN A PISTON CHAMBER, A REMOTELY LOCATED HYDRAULIC FLUID RESERVOIR, CONTINUOUSLY OPERABLE PUMP MEANS CONNECTED WITH SAID RESERVOIR FOR CONTINUOUSLY SUPPLYING HYDRAULIC FLUID UNDER HIGH PRESSURE, VALVE BODY MEANS LOCATED BETWEEN SAID PUMP MEANS AND SAID PISTON CHAMBER AND SUBSTANTIALLY AT SAID PISTON CHAMBER, SAID VALVE BODY MEANS INCLUDING AN INLET PORT, AND OUTLET PORT AND A THIRD PORT COMMUNICATING WITH SAID INLET OUTLET PORTS, SAID OUTLET PORT BEING SUFFICIENTLY LARGE AS COMPARED WITH SAID INLET PORT FOR PROVIDING FOR SUBSTANTIALLY FREE FLUID FLOW FROM SAID INLET PORT THROUGH SAID OUTLET PORT, A PAIR OF CONDUIT MEANS RESPECTIVELY CONNECTING SAID PUMP TO SAID INLET PORT AND SAID
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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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |