US3078870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum regulator
Assignee: Babson Brothers Co
•
Filing: 1959-05-29
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Granted: 1963-02-26
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Expires: 1979-05-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Merritt
- 👤 Chester A Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:46
CPC Classifications
A; A01; A01J; A01J5/00; A01J5/04; A01J5/047; A01J5/048; G; G05; G05D; G05D16/00; G05D16/024; G05D16/04; G05D16/10; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7921; Y10T137/794; Y10T137/8122; Y10T137/8158; Y10T137/8359
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN A VACUUM REGULATOR, A PLATE WITH A CENTRALLY DISPOSED BOSS ON THE UPPER SIDE, A CENTRAL BORE THERETHROUGH, AND A PLURALITY OF LUGS ON THE LOWER SIDE; A BUSHING INSERT IN THE BORE OF SAID BOSS; AN ELONGATED HOLLOW VALVE MEMBER OPEN AT ONE END, SLIDABLY CARRIED IN SAID BUSHING, SAID VALVE MEMBER BEING PROVIDED WITH AN OUTWARDLY EXTENDING ANNULAR FLANGE SEATED ON THE UPPER END OF THE BUSHING AND HAVING A PLURALITY OF LONGITUDINALLY EXTENDING SLOTS THROUGH THE WALL BETWEEN SAID FLANGE AND SAID OPEN END; A CONNECTING PIN RIGIDLY ATTACHED TO THE VALVE MEMBER; A WEIGHT BENEATH SAID PLATE ADAPTED TO ABUT SAID LUGS TO LIMIT THE OPENING MOVEMENT OF THE VALVE MEMBER, MEANS FLEXIBLY ATTACHING SAID WEIGHT TO SAID CONNECTING PIN AND DEPENDING THEREFROM; A TRANSPARENT SLEEVE ATTACHED TO SAID PLATE SURROUNDING SAID WEIGHT; AND A REMOVABLE PERFORATED CLOSURE ATTACHED TO SAID SLEEVE BENEATH THE WEIGHT.
Claim 2
Dependent Claim
150 words
IN A VACUUM REGULATOR, A PLATE WITH A CENTRALLY DISPOSED BOSS ON THE UPPER SIDE, A CENTRAL BORE THERETHROUGH, AND A PLURALITY OF LUGS ON THE LOWER SIDE; A BUSHING INSERT IN THE BORE OF SAID BOSS; AN ELONGATED HOLLOW VALVE MEMBER OPEN AT ONE END, SLIDABLY CARRIED IN SAID BUSHING, SAID VALVE MEMBER BEING PROVIDED WITH AN OUTWARDLY EXTENDING ANNULAR FLANGE SEATED ON THE UPPER END OF THE BUSHING AND HAVING A PLURALITY OF LONGITUDINALLY EXTENDING SLOTS THROUGH THE WALL BETWEEN SAID FLANGE AND SAID OPEN END; A CONNECTING PIN RIGIDLY ATTACHED TO THE VALVE MEMBER; A WEIGHT BENEATH SAID PLATE ADAPTED TO ABUT SAID LUGS TO LIMIT THE OPENING MOVEMENT OF THE VALVE MEMBER, MEANS FLEXIBLY ATTACHING SAID WEIGHT TO SAID CONNECTING PIN AND DEPENDING THEREFROM; A TRANSPARENT SLEEVE ATTACHED TO SAID PLATE SURROUNDING SAID WEIGHT; AND A REMOVABLE PERFORATED CLOSURE ATTACHED TO SAID SLEEVE BENEATH THE WEIGHT.
References Cited (Backward Citations)
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Cited
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US1140630A
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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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |