US3149539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve construction
Assignee: Bendix Corp
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Filing: 1959-10-22
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Granted: 1964-09-22
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Expires: 1979-10-22
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Prather
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:45
CPC Classifications
F; F15; F15B; F15B17/00; B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/241; B60T13/242; B60T13/244; B60T13/46; B60T13/52; B60T13/573; B60T13/575
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN REACTION PRODUCING MEANS FOR MECHANISM HAVING A DRIVEN AND A DRIVING MEMBER: A COLLAPSIBLE CHAMBER ENCLOSURE OPERATIVELY INTERPOSITIONED BETWEEN SAID MEMBERS SO THAT ITS COLLAPSIBLE CHAMBER IS REDUCED IN VOLUME WHEN SAID DRIVING MEMBER ACTUATES SAID DRIVEN MEMBER, A SEMIRIGID BODY ELEMENT OF RESILIENTLY DEFORMABLE MATERIAL CONFINED IN SAID COLLAPSIBLE CHAMBER, SAID ENCLOSURE INCLUDING A SECOND CHAMBER OF PREDETERMINED CROSS SECTION IN THE SIDEWALLS OF SAID ENCLOSURE WHICH SECOND CHAMBER OPENS INTO SAID COLLAPSIBLE CHAMBER, A REACTION ELEMENT IN SAID SECOND CHAMBER ADJACENT SAID SEMI-RIGID BODY ELEMENT FOR OPERATIVE ABUTMENT WITH SAID SEMI-RIGID BODY ELEMENT, SAID REACTION ELEMENT SUBSTANTIALLY CLOSING OFF SAID SECOND CHAMBER, AND A PROJECTION INTERPOSED BETWEEN SAID ELEMENTS AND HAVING AN END OF LESSER CROSS SECTIONAL AREA THAN SAID SECOND CHAMBER FOR ENGAGEMENT WITH ONE OF SAID ELEMENTS FOR MAKING THE INITIAL FORCE TRANSMISSION BETWEEN SAID ELEMENTS WHEN SAID DRIVING MEMBER ACTUATES THE DRIVEN MEMBER.
Claim 2
Dependent Claim
149 words
IN REACTION PRODUCING MEANS FOR MECHANISM HAVING A DRIVEN AND A DRIVING MEMBER: A COLLAPSIBLE CHAMBER ENCLOSURE OPERATIVELY INTERPOSITIONED BETWEEN SAID MEMBERS SO THAT ITS COLLAPSIBLE CHAMBER IS REDUCED IN VOLUME WHEN SAID DRIVING MEMBER ACTUATES SAID DRIVEN MEMBER, A SEMIRIGID BODY ELEMENT OF RESILIENTLY DEFORMABLE MATERIAL CONFINED IN SAID COLLAPSIBLE CHAMBER, SAID ENCLOSURE INCLUDING A SECOND CHAMBER OF PREDETERMINED CROSS SECTION IN THE SIDEWALLS OF SAID ENCLOSURE WHICH SECOND CHAMBER OPENS INTO SAID COLLAPSIBLE CHAMBER, A REACTION ELEMENT IN SAID SECOND CHAMBER ADJACENT SAID SEMI-RIGID BODY ELEMENT FOR OPERATIVE ABUTMENT WITH SAID SEMI-RIGID BODY ELEMENT, SAID REACTION ELEMENT SUBSTANTIALLY CLOSING OFF SAID SECOND CHAMBER, AND A PROJECTION INTERPOSED BETWEEN SAID ELEMENTS AND HAVING AN END OF LESSER CROSS SECTIONAL AREA THAN SAID SECOND CHAMBER FOR ENGAGEMENT WITH ONE OF SAID ELEMENTS FOR MAKING THE INITIAL FORCE TRANSMISSION BETWEEN SAID ELEMENTS WHEN SAID DRIVING MEMBER ACTUATES THE DRIVEN MEMBER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |