US3073345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solenoid operated vacuum regulator
Assignee: Motors Liquidation Co
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Filing: 1961-05-01
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Granted: 1963-01-15
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Norman R Hagler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:50
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0655; F16K31/0651; G; G05; G05D; G05D16/00; G05D16/20; G05D16/2093; G05D16/2095; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A VACUUM REGULATOR COMPRISING A CASING WITH A SOLENOID ARMATURE AND COIL ATTACHED THERETO, SAID CASING HAVING A VACUUM SUPPLY INLET AND A MODULATED VACUUM OUTLET AND DEFINING THREE CHAMBERS, SAID INLET AND OUTLET COMMUNICATING WITH THE FIRST AND THIRD OF SAID CHAMBERS RESPECTIVELY, A FIRST BLEED PORT CONNECTING THE FIRST CHAMBER WITH THE SECOND CHAMBER, A SECOND BLEED PORT CONNECTING THE SECOND CHAMBER WITH THE THIRD CHAMBER, A SPRING-LOADED DIAPHRAGM SEPARATING THE FIRST CHAMBER FROM THE THIRD CHAMBER AND CARRYING FIRST VALVE MEANS CONTROLLING THE SAID INLET AND OUTLET, AN AIR INLET TO SAID SECOND CHAMBER, SECOND VALVE MEANS CARRIED BY SAID ARMATURE AND ARRANGED TO CONTROL SAID FIRST BLEED PORT AND SAID AIR INLET IN ACCORDANCE WITH THE RATIO OF THE ENERGIZED TIME TO THE DEENERGIZED TIME OF SAID COIL.
Claim 2
Dependent Claim
132 words
A VACUUM REGULATOR COMPRISING A CASING WITH A SOLENOID ARMATURE AND COIL ATTACHED THERETO, SAID CASING HAVING A VACUUM SUPPLY INLET AND A MODULATED VACUUM OUTLET AND DEFINING THREE CHAMBERS, SAID INLET AND OUTLET COMMUNICATING WITH THE FIRST AND THIRD OF SAID CHAMBERS RESPECTIVELY, A FIRST BLEED PORT CONNECTING THE FIRST CHAMBER WITH THE SECOND CHAMBER, A SECOND BLEED PORT CONNECTING THE SECOND CHAMBER WITH THE THIRD CHAMBER, A SPRING-LOADED DIAPHRAGM SEPARATING THE FIRST CHAMBER FROM THE THIRD CHAMBER AND CARRYING FIRST VALVE MEANS CONTROLLING THE SAID INLET AND OUTLET, AN AIR INLET TO SAID SECOND CHAMBER, SECOND VALVE MEANS CARRIED BY SAID ARMATURE AND ARRANGED TO CONTROL SAID FIRST BLEED PORT AND SAID AIR INLET IN ACCORDANCE WITH THE RATIO OF THE ENERGIZED TIME TO THE DEENERGIZED TIME OF SAID COIL.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |