Patent US3111136A successfully refreshed from Google Patents.
US3111136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum sealed rotary glass valve
Assignee: Individual
•
Filing: 1962-05-18
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Granted: 1963-11-19
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Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 Maxim D Persidsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:40
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0657; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6031; Y10T137/6035; Y10T137/6058; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A VALVE CONSTRUCTED OF GLASS FOR CONTROLLING THE FLOW OF FLUIDS IN SCIENTIFIC LABORATORY APPARATUS, COMPRISING A VALVE BODY OF BLOWN GLASS HAVING EXTERNAL TUBULAR EXTENSIONS FOR CONNECTION WITH OTHER APPARATUS, EACH OF SAID EXTENSIONS BEING PROJECTED INTO SAID VALVE BODY AND BEING FORMED AT THEIR INNER ENDS TO PROVIDE ANNULAR RECESSES INTO WHICH O-RINGS OF ELASTOMERIC MATERIAL MAY BE SEATED, SAID VALVE BODY ALSO HAVING A ROTATABLE VALVE MEMBER ACCOMMODATING OPENING FORMED WITH AN O-RING SEATING RECESS, A ROTATABLE VALVE MEMBER INSERTABLE THROUGH THE ACCOMMODATING OPENING OF SAID VALVE BODY HAVING A BULBULAR END WITH SPHERICAL SURFACES FOR ENGAGEMENT WITH O-RINGS SEATED IN THE RECESSES CARRIED BY SAID CONDUITS, SAID VALVE MEMBER HAVING A FLOW PASSAGEWAY THERETHROUGH WHICH MAY BE ALIGNED OR MISALIGNED WITH THE TUBULAR EXTENSIONS OF SAID VALVE BODY, A CYLINDRICAL STEM FORMING PORTION CARRIED BY SAID ROTATABLE VALVE MEMBER DISPOSED IN COOPERATION WITH THE O-RING SEATING RECESS IN THE VALVE ACCOMMODATING OPENING OF SAID VALVE BODY, AND AN O-RING OF ELASTOMERIC MATERIAL IN EACH OF THE RECESSES CARRIED BY SAID TUBULAR EXTENSIONS AND THE VALVE ACCOMMODATING OPENING OF SAID VALVE BODY.
Claim 2
Dependent Claim
185 words
A VALVE CONSTRUCTED OF GLASS FOR CONTROLLING THE FLOW OF FLUIDS IN SCIENTIFIC LABORATORY APPARATUS, COMPRISING A VALVE BODY OF BLOWN GLASS HAVING EXTERNAL TUBULAR EXTENSIONS FOR CONNECTION WITH OTHER APPARATUS, EACH OF SAID EXTENSIONS BEING PROJECTED INTO SAID VALVE BODY AND BEING FORMED AT THEIR INNER ENDS TO PROVIDE ANNULAR RECESSES INTO WHICH O-RINGS OF ELASTOMERIC MATERIAL MAY BE SEATED, SAID VALVE BODY ALSO HAVING A ROTATABLE VALVE MEMBER ACCOMMODATING OPENING FORMED WITH AN O-RING SEATING RECESS, A ROTATABLE VALVE MEMBER INSERTABLE THROUGH THE ACCOMMODATING OPENING OF SAID VALVE BODY HAVING A BULBULAR END WITH SPHERICAL SURFACES FOR ENGAGEMENT WITH O-RINGS SEATED IN THE RECESSES CARRIED BY SAID CONDUITS, SAID VALVE MEMBER HAVING A FLOW PASSAGEWAY THERETHROUGH WHICH MAY BE ALIGNED OR MISALIGNED WITH THE TUBULAR EXTENSIONS OF SAID VALVE BODY, A CYLINDRICAL STEM FORMING PORTION CARRIED BY SAID ROTATABLE VALVE MEMBER DISPOSED IN COOPERATION WITH THE O-RING SEATING RECESS IN THE VALVE ACCOMMODATING OPENING OF SAID VALVE BODY, AND AN O-RING OF ELASTOMERIC MATERIAL IN EACH OF THE RECESSES CARRIED BY SAID TUBULAR EXTENSIONS AND THE VALVE ACCOMMODATING OPENING OF SAID VALVE BODY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |