US3169273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-multiplying apparatus
Assignee: Barogenics Inc
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Filing: 1963-01-23
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Granted: 1965-02-16
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Expires: 1983-01-23
Abstract
No abstract record available.
Inventors
- 👤 Brayman Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:45
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/06; B01J3/065; B01J3/067; B21; B21J; B21J7/00; B21J7/02; B21J7/14; B21J9/00; B21J9/10; B21J9/12; B30; B30B; B30B11/00; B30B11/004; B30B11/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
APPARATUS COMPRISING, MEANS FORMING A HYDRAULIC CYLINDER, A PISTON DISPOSED IN SAID CYLINDER AND HAVING FORMED THERIN A CENTRAL SPACE AND A PLURALITY OF BORES WHICH EXTEND IN THREE DIMENSIONS FROM SAID SPACE THROUGH SAID PISTON, AND WHICH INCLUDE A FIRST BORE AND SECOND BORES, SAID FIRST BORE EXTENDING AXIALLY INTO SAID PISTON FROM THE FRONT END THEREOF, A PLURALITY OF PRESSURE-MULTIPLYING ANVILS COMPRISED OF A FIRST STATIONARY ANVIL OPERABLY RECEIVED IN SAID FIRST BORE AND OF SECOND MOVAVLE ANVILS RESPECTIVELY RECEIVED IN SLIDABLE RELATION IN SAID
Claim 2
Dependent Claim
87 words
APPARATUS COMPRISING, MEANS FORMING A HYDRAULIC CYLINDER, A PISTON DISPOSED IN SAID CYLINDER AND HAVING FORMED THERIN A CENTRAL SPACE AND A PLURALITY OF BORES WHICH EXTEND IN THREE DIMENSIONS FROM SAID SPACE THROUGH SAID PISTON, AND WHICH INCLUDE A FIRST BORE AND SECOND BORES, SAID FIRST BORE EXTENDING AXIALLY INTO SAID PISTON FROM THE FRONT END THEREOF, A PLURALITY OF PRESSURE-MULTIPLYING ANVILS COMPRISED OF A FIRST STATIONARY ANVIL OPERABLY RECEIVED IN SAID FIRST BORE AND OF SECOND MOVAVLE ANVILS RESPECTIVELY RECEIVED IN SLIDABLE RELATION IN SAID
References Cited (Backward Citations)
US3049756A
Cited
US3093862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |