US3148543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sight glass for reaction vessels
Assignee: Individual
•
Filing: 1961-05-31
•
Granted: 1964-09-15
•
Expires: 1981-05-31
Abstract
No abstract record available.
Inventors
- 👤 Roy Gene Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:11
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/004; G; G21; G21F; G21F7/00; G21F7/02; G21F7/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A SIGHT GLASS FOR COOPERATION WITH AN OPENING IN A REACTION VESSEL, SAID SIGHT GLASS COMPRISING AN ANNULAR LENS HOLDING SLEEVE HAVING AN OUTWARDLY PROJECTING CONTINUOUS ANNULAR FLANGE AT ONE END THEREOF ENGAGING THE WALL OF THE VESSEL SURROUNDING SAID OPENING, SAID SLEEVE ALSO HAVING AT SAID ONE END AN INWARDLY PROJECTING ANNULAR LIP, A LENS RECEIVED WITHIN SAID SLEEVE AND SUBSTANTIALLY FILLING THE SAME BUT NOT PROJECTING THEREBEYOND, A RESILIENT GASKET INTERPOSED BETWEEN AND SEALING THE SPACE BETWEEN THE LENS AND THE LIP, AND A MOUNTING SUPPORT RECEIVING THE LENS HOLDING SLEEVE AND SEATED ON THE FLANGE THEREOF TO LIMIT THE PRESSURE APPLIED BY THE SUPPORT TO THE GASKET AND THE LENS, SAID SUPPORT ALSO SECURING THE FLANGE OF THE LENS HOLDING SLEEVE IN FIXED ENGAGEMENT WITH THE WALL OF SAID VESSEL AND IN ALIGNMENT WITH SAID OPENING.
Claim 2
Dependent Claim
139 words
A SIGHT GLASS FOR COOPERATION WITH AN OPENING IN A REACTION VESSEL, SAID SIGHT GLASS COMPRISING AN ANNULAR LENS HOLDING SLEEVE HAVING AN OUTWARDLY PROJECTING CONTINUOUS ANNULAR FLANGE AT ONE END THEREOF ENGAGING THE WALL OF THE VESSEL SURROUNDING SAID OPENING, SAID SLEEVE ALSO HAVING AT SAID ONE END AN INWARDLY PROJECTING ANNULAR LIP, A LENS RECEIVED WITHIN SAID SLEEVE AND SUBSTANTIALLY FILLING THE SAME BUT NOT PROJECTING THEREBEYOND, A RESILIENT GASKET INTERPOSED BETWEEN AND SEALING THE SPACE BETWEEN THE LENS AND THE LIP, AND A MOUNTING SUPPORT RECEIVING THE LENS HOLDING SLEEVE AND SEATED ON THE FLANGE THEREOF TO LIMIT THE PRESSURE APPLIED BY THE SUPPORT TO THE GASKET AND THE LENS, SAID SUPPORT ALSO SECURING THE FLANGE OF THE LENS HOLDING SLEEVE IN FIXED ENGAGEMENT WITH THE WALL OF SAID VESSEL AND IN ALIGNMENT WITH SAID OPENING.
References Cited (Backward Citations)
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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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |