Patent US3125882A successfully refreshed from Google Patents.
US3125882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sight glass assembly
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:45
CPC Classifications
G; G01; G01P; G01P13/00; G01P13/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A SIGHT GLASS ASSEMBLY FOR VIEWING LIQUID IN A CLOSED PIPE SYSTEM AND WHEREIN A SIGHT GLASS IN SAID ASSEMBLY MAY BE READILY REMOVED WITHOUT DISTURBING THE LIQUID IN THE SYSTEM, SAID ASSEMBLY COMPRISING A CORE MEMBER HAVING A BORE COMMUNICATIVELY CONNECTABLE TO SAID PIPE SYSTEM AND ADAPTED TO RECEIVE LIQUID THEREIN, SAID CORE MEMBER HAVING A SECOND BORE TRANSVERSELY DISPOSED RELATIVE TO AND COMMUNICATING WITH SAID FIRST RECITED BORE, A HOUSING SURROUNDING SAID CORE MEMBER, SAID HOUSING HAVING AT LEAST ONE OPENING THEREIN NORMALLY COMMUNICATING WITH SAID SECOND BORE IN SAID CORE MEMBER, A SIGHT GLASS CARRIED BY THE HOUSING AND POSITIONED IN SAID OPENING AND SERVING FOR VIEWING THE LIQUID, SAID CORE MEMBER AND SAID HOUSING BEING RELATIVELY MOVABLE WITH RESPECT TO EACH OTHER TO POSITION SAID SECOND BORE IN THE CORE MEMBER AND SAID OPENING IN
Claim 2
Dependent Claim
139 words
A SIGHT GLASS ASSEMBLY FOR VIEWING LIQUID IN A CLOSED PIPE SYSTEM AND WHEREIN A SIGHT GLASS IN SAID ASSEMBLY MAY BE READILY REMOVED WITHOUT DISTURBING THE LIQUID IN THE SYSTEM, SAID ASSEMBLY COMPRISING A CORE MEMBER HAVING A BORE COMMUNICATIVELY CONNECTABLE TO SAID PIPE SYSTEM AND ADAPTED TO RECEIVE LIQUID THEREIN, SAID CORE MEMBER HAVING A SECOND BORE TRANSVERSELY DISPOSED RELATIVE TO AND COMMUNICATING WITH SAID FIRST RECITED BORE, A HOUSING SURROUNDING SAID CORE MEMBER, SAID HOUSING HAVING AT LEAST ONE OPENING THEREIN NORMALLY COMMUNICATING WITH SAID SECOND BORE IN SAID CORE MEMBER, A SIGHT GLASS CARRIED BY THE HOUSING AND POSITIONED IN SAID OPENING AND SERVING FOR VIEWING THE LIQUID, SAID CORE MEMBER AND SAID HOUSING BEING RELATIVELY MOVABLE WITH RESPECT TO EACH OTHER TO POSITION SAID SECOND BORE IN THE CORE MEMBER AND SAID OPENING IN
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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |