US3299906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peaking valve system
Assignee: Unisys Corp
•
Filing: 1964-03-20
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Granted: 1967-01-24
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Expires: 1984-03-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert T Smith
- 👤 Trevor D Reader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:23
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/12; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86381; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/8671; Y10T137/86879
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
217 words
A FLUID PRESSURE PEAKING SYSTEM WHICH COMPRISES: (A) A FLUID UTILIZATION CHAMBER RESTRICTIVELY COMMUNICATING WITH FLUID OF A PREDETERMINED FIRST PRESSURE VALUE; (B) A SOURCE OF FLUID HAVING A SUBSTANTIALLY CONSTANT SECOND PRESSURE VALUE DIFFERENT FROM SAID FIRST PRESSURE VALUE; (C) A FLUID STORAGE CHAMBER HAVING A FIRST OPENING CONNECTED WITH SAID FLUID SOURCE AND A SECOND OPENING CONNECTED WITH SAID UTILIZATION CHAMBER; AND (D) FLUID FLOW REGULATING MEANS SELECTIVELY ACTUABLE TO EITHER A FIRST OR A SECOND STATE TO PERMIT EITHER FULL OR RESTRICTED FLUID FLOW THROUGH SAID FIRST OPENING, RESPECTIVELY, AND EITHER NO OR FULL FLUID FLOW THROUGH SAID SECOND OPENING, RESPECTIVELY, WITH THE VOLUMES OF SAID STORAGE CHAMBER AND SAID UTILIZATION CHAMBER RELATIVE TO THE MAGNITUDES OF SAID FULL AND RESTRICTED FLUID FLOWS BEING SUCH THAT SAID STORAGE CHAMBER TEMPORARILY ACTS AS A SOURCE FOR SAID UTILIZATION CHAMBER OF FLUID AT SUBSTANTIALLY SAID SECOND PRESSURE VALUE WHEN SAID FLUID FLOW REGULATING MEANS IS INITIALLY ACTUATED FROM ITS SAID FIRST TO ITS SAID SECOND STATE UNTIL SUCH TIME AS WHEN THE PRESSURE IN SAID UTILIZATION CHAMBER AT LEAST REACHES A PREDETERMINED THRESHOLD PRESSURE VALUE, AFTER WHICH SAID STORAGE CHAMBER FINALLY ACTS AS A SOURCE FOR SAID UTILIZATION CHAMBER OF FLUID AT SUBSTANTIALLY A STEADY STATE PRESSURE VALUE WHICH IS DIFFERENT FROM SAID SECOND PRESSURE VALUE.
Claim 2
Dependent Claim
217 words
A FLUID PRESSURE PEAKING SYSTEM WHICH COMPRISES: (A) A FLUID UTILIZATION CHAMBER RESTRICTIVELY COMMUNICATING WITH FLUID OF A PREDETERMINED FIRST PRESSURE VALUE; (B) A SOURCE OF FLUID HAVING A SUBSTANTIALLY CONSTANT SECOND PRESSURE VALUE DIFFERENT FROM SAID FIRST PRESSURE VALUE; (C) A FLUID STORAGE CHAMBER HAVING A FIRST OPENING CONNECTED WITH SAID FLUID SOURCE AND A SECOND OPENING CONNECTED WITH SAID UTILIZATION CHAMBER; AND (D) FLUID FLOW REGULATING MEANS SELECTIVELY ACTUABLE TO EITHER A FIRST OR A SECOND STATE TO PERMIT EITHER FULL OR RESTRICTED FLUID FLOW THROUGH SAID FIRST OPENING, RESPECTIVELY, AND EITHER NO OR FULL FLUID FLOW THROUGH SAID SECOND OPENING, RESPECTIVELY, WITH THE VOLUMES OF SAID STORAGE CHAMBER AND SAID UTILIZATION CHAMBER RELATIVE TO THE MAGNITUDES OF SAID FULL AND RESTRICTED FLUID FLOWS BEING SUCH THAT SAID STORAGE CHAMBER TEMPORARILY ACTS AS A SOURCE FOR SAID UTILIZATION CHAMBER OF FLUID AT SUBSTANTIALLY SAID SECOND PRESSURE VALUE WHEN SAID FLUID FLOW REGULATING MEANS IS INITIALLY ACTUATED FROM ITS SAID FIRST TO ITS SAID SECOND STATE UNTIL SUCH TIME AS WHEN THE PRESSURE IN SAID UTILIZATION CHAMBER AT LEAST REACHES A PREDETERMINED THRESHOLD PRESSURE VALUE, AFTER WHICH SAID STORAGE CHAMBER FINALLY ACTS AS A SOURCE FOR SAID UTILIZATION CHAMBER OF FLUID AT SUBSTANTIALLY A STEADY STATE PRESSURE VALUE WHICH IS DIFFERENT FROM SAID SECOND PRESSURE VALUE.
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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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |