US3091259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable plumber's test plug with drain
Assignee: Individual
•
Filing: 1960-05-06
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Granted: 1963-05-28
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Expires: 1980-05-06
Abstract
No abstract record available.
Inventors
- 👤 Louis F Alessio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:20
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A TEST PLUG COMPRISING A CYLINDRICAL RESILIENT HOLLOW BODY HAVING FIRST AND SECOND END WALL PORTIONS AS WELL AS A SIDE PORTION, AN AIR HOSE IN COMMUNICATION WITH THE INTERIOR OF SAID BODY BEING EXTENDED FROM THE SECOND ONE OF SAID END SALL PORTIONS, A DRAIN HOSE SECURED TO SAID SECOND END WALL PORTION, A RIGID CONDUIT EXTENDING THROUGH SAID BODY AND CONNECTED TO SAID DRAIN HOSE, A PAIR OF RING MEMBERS HAVING CIRCULAR PORTIONS ENCOMPASSING END PORTIONS OF SAID AIR HOSE AND OF SAID DRAIN HOSE ADJACENT SAID SECOND END WALL PORTION AND HAVING ALSO STRAIGHT PORTIONS EXTENDING FROM SAID CIRCULAR PORTIONS AND PARTIALLY OVERLAYING EACH OTHER AND HAVING REGISTERING HOLES, AND A CHAIN LINK EXTENDING THROUGH THE REGISTERING HOLES IN THE STRAIGHT PORTIONS OF SAID RING MEMBERS FOR PIVOTALLY JOINING THE OVERLAYING SECTIONS OF THE STRAIGHT PORTIONS OF SAID RING MEMBERS SO AS TO COLLAPSE SAID PAIR OF RING MEMBERS UPON PULLING THE CHAIN LINK, THEREBY PARTIALLY COLLAPSING AN END WALL PORTION OF SAID RESILIENT HOLLOW BODY.
Claim 2
Dependent Claim
169 words
A TEST PLUG COMPRISING A CYLINDRICAL RESILIENT HOLLOW BODY HAVING FIRST AND SECOND END WALL PORTIONS AS WELL AS A SIDE PORTION, AN AIR HOSE IN COMMUNICATION WITH THE INTERIOR OF SAID BODY BEING EXTENDED FROM THE SECOND ONE OF SAID END SALL PORTIONS, A DRAIN HOSE SECURED TO SAID SECOND END WALL PORTION, A RIGID CONDUIT EXTENDING THROUGH SAID BODY AND CONNECTED TO SAID DRAIN HOSE, A PAIR OF RING MEMBERS HAVING CIRCULAR PORTIONS ENCOMPASSING END PORTIONS OF SAID AIR HOSE AND OF SAID DRAIN HOSE ADJACENT SAID SECOND END WALL PORTION AND HAVING ALSO STRAIGHT PORTIONS EXTENDING FROM SAID CIRCULAR PORTIONS AND PARTIALLY OVERLAYING EACH OTHER AND HAVING REGISTERING HOLES, AND A CHAIN LINK EXTENDING THROUGH THE REGISTERING HOLES IN THE STRAIGHT PORTIONS OF SAID RING MEMBERS FOR PIVOTALLY JOINING THE OVERLAYING SECTIONS OF THE STRAIGHT PORTIONS OF SAID RING MEMBERS SO AS TO COLLAPSE SAID PAIR OF RING MEMBERS UPON PULLING THE CHAIN LINK, THEREBY PARTIALLY COLLAPSING AN END WALL PORTION OF SAID RESILIENT HOLLOW 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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |