Patent US3158046A successfully refreshed from Google Patents.
US3158046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic forging press
Assignee: Hydraulik GmbH
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Filing: 1960-05-19
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Granted: 1964-11-24
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Expires: 1980-05-19
Abstract
No abstract record available.
Inventors
- 👤 Steinfort Ewald
- 👤 Hertl Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:48
CPC Classifications
B; B21; B21J; B21J9/00; B21J9/10; B21J9/12; B21J13/00; B21J13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN A FORGING PRESS, IN COMBINATION, FIRST AND SECOND CROSSHEAD MEANS; STATIONARY CARRIER MEANS CONNECTING TWEEN SAID CROSSHEAD MEANS; COLUMN MEANS CONNECTING SAID CROSSHEAD MEANS FOR RECIPROCATING MOVEMENT IN UNISON WITH RESPECT TO SAID CARRIER MEANS; MEANS COMPRISING AT LEAST ONE GUIDE SHAFT CONNECTED WITH SAID CARRIER MEANS AND SLIDABLY RECEIVED IN ONE OF SAID CROSSHEAD MEANS FOR GUIDING SAID CROSSHEAD MEANS IN PARALLELISM WITH SAID COLUMN MEANS AND FOR RELIEVING SAID COLUMN MEANS FROM BENDING STRESSES WHEN SAID PRESS IS SUBJECTED TO ECCENTRIC FORGING PRESSURE; AND FLUID OPERATED LIFTING MEANS LATERALLY SPACED FROM AND INDEPENDENT OF SAID GUIDE SHAFT AND CONNECTED TO SAID STATIONARY CARRIER MEANS AND ONE OF SAID CROSSHEAD MEANS FOR LIFTING SAID CROSSHEAD MEANS WHILE THE SAME ARE GUIDED BY SAID GUIDE SHAFT.
Claim 2
Dependent Claim
127 words
IN A FORGING PRESS, IN COMBINATION, FIRST AND SECOND CROSSHEAD MEANS; STATIONARY CARRIER MEANS CONNECTING TWEEN SAID CROSSHEAD MEANS; COLUMN MEANS CONNECTING SAID CROSSHEAD MEANS FOR RECIPROCATING MOVEMENT IN UNISON WITH RESPECT TO SAID CARRIER MEANS; MEANS COMPRISING AT LEAST ONE GUIDE SHAFT CONNECTED WITH SAID CARRIER MEANS AND SLIDABLY RECEIVED IN ONE OF SAID CROSSHEAD MEANS FOR GUIDING SAID CROSSHEAD MEANS IN PARALLELISM WITH SAID COLUMN MEANS AND FOR RELIEVING SAID COLUMN MEANS FROM BENDING STRESSES WHEN SAID PRESS IS SUBJECTED TO ECCENTRIC FORGING PRESSURE; AND FLUID OPERATED LIFTING MEANS LATERALLY SPACED FROM AND INDEPENDENT OF SAID GUIDE SHAFT AND CONNECTED TO SAID STATIONARY CARRIER MEANS AND ONE OF SAID CROSSHEAD MEANS FOR LIFTING SAID CROSSHEAD MEANS WHILE THE SAME ARE GUIDED BY SAID GUIDE SHAFT.
References Cited (Backward Citations)
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 |