US3387566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid operated prime mover
Assignee: Orica Ltd
•
Filing: 1966-12-12
•
Granted: 1968-06-11
•
Expires: 1986-12-12
Abstract
No abstract record available.
Inventors
- 👤 Peter L Temple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:34
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/08; F04B9/12; F04B9/123; F04B9/125; F04B9/1253; F01; F01B; F01B19/00; F01L; F01L25/00; F01L25/02; F01L25/04; F01L25/06; F01L25/063; F04B43/00; F04B43/0009; F04B43/0081; F04B43/009; F04B43/02; F04B43/06; F04B43/073; F04B43/08; F04B43/10; F04B43/113
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A FLUID OPERATED RECIPROCATING PRIME MOVER COMPRISING CASING; A DIAPHRAGM ASSEMBLY COMPRISING A FIRST DIAPHRAGM SEALED ACROSS THE CASING AND, SPACED THEREFROM, A SECOND DIAPHRAGM OF GREATER AREA ALSO SEALED ACROSS THE CASING, SAID FIRST AND SECOND DIAPHRAGMS BEING CONNECTED TO FLEX IN UNISON; A FIRST INLET FOR WORKING FLUID FORMED IN THE CASING TO THE SIDE OF THE DIAPHRAGM ASSEMBLY REMOTE FROM THE FIRST DIAPHRAGM; A SECOND INLET FOR WORKING FLUID FORMED IN THE CASING BETWEEN SAID FIRST AND SECOND DIAPHRAGMS; AND MEANS RESPONSIVE TO FLEXING OF THE DIAPHRAGMS TO CONTROL THE PASSAGE OF WORKING FLUID TO AND FROM SAID CASING.
Claim 2
Dependent Claim
102 words
A FLUID OPERATED RECIPROCATING PRIME MOVER COMPRISING CASING; A DIAPHRAGM ASSEMBLY COMPRISING A FIRST DIAPHRAGM SEALED ACROSS THE CASING AND, SPACED THEREFROM, A SECOND DIAPHRAGM OF GREATER AREA ALSO SEALED ACROSS THE CASING, SAID FIRST AND SECOND DIAPHRAGMS BEING CONNECTED TO FLEX IN UNISON; A FIRST INLET FOR WORKING FLUID FORMED IN THE CASING TO THE SIDE OF THE DIAPHRAGM ASSEMBLY REMOTE FROM THE FIRST DIAPHRAGM; A SECOND INLET FOR WORKING FLUID FORMED IN THE CASING BETWEEN SAID FIRST AND SECOND DIAPHRAGMS; AND MEANS RESPONSIVE TO FLEXING OF THE DIAPHRAGMS TO CONTROL THE PASSAGE OF WORKING FLUID TO AND FROM SAID CASING.
References Cited (Backward Citations)
US3291055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |