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US3173153A Expired / Lapsed US ⏱️ 0.0 years remaining

Flush lever

Assignee: Crane Co
•
Filing: 1962-12-03
•
Granted: 1965-03-16
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Expires: 1982-12-03
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Abstract

No abstract record available.

Inventors

  • 👤 Stanley F Korol
  • 👤 Schrock Don Charles

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 19:40
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/02; E03D5/09; E03D5/092; E03D1/00; E03D1/01; E03D1/012

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 202 words
A FLUSHING DEVICE FOR A WATER CLOSET TANK HAVING A FLUSH VALVE ADJACENT THE BOTTOM OF THE TANK COMPRISING, (A) SAID TANK BEING PROVIDED WITH A FRAME ON ITS FRONT WALL, (B) A LEVER HAVING, (1) MEANS FOR MOUNTING THE LEVER ON SAID FRAME FOR ROTATION ABOUT A SUBSTANTIALLY HORIZONTAL AXIS EXTENDING PARALLEL TO SAID WALL, (2) A FIRST ARM, (A) EXTENDING INWARDLY FROM SAID AXIS INTO THE INTERIOR OF THE TANK, AND HAVING (B) MEANS PIVOTALLY CONNECTING THE OUTER END OF THIS ARM TO THE FLUSH VALVE, (3) A SECOND ARM EXTENDING FROM SAID AXIS AND FORMING AN ANGLE ABOUT SAID AXIS WITH THE FIRST ARM WHEREBY PRESSURE ON THE SECOND ARM WILL ROTATE THE LEVER ABOUT ITS AXIS AND RAISE THE FIRST ARM WITHIN THE TANK TO OPEN SAID FLUSH VALVE, (C) THE CONNECTION BETWEEN THE OUTER END OF THE INWARDLY EXTENDING ARMS IN THE CLOSED POSITION OF THE FLUSH VALVE HOLDING THE FIRST LEVER ARM DOWNWARDLY IN THE TANK AT AN ANGLE OF APPROXIMATELY 30* WITH A VERTICAL PLANE PASSING THROUGH SAID AXIS OF ROTATION WHEREBY, ON ROTATION OF SAID LEVER, SAID FIRST AND INITIALLY MOVES IN A CIRCULAR PATH GREATER THAN THE VERTICAL MOVEMENT OF THE FLUSH VALVE.

References Cited (Backward Citations)

US1076925A Cited
US1500628A Cited
US1563729A Cited
US1647088A Cited
US1627943A Cited
US1766491A Cited
US1757159A Cited
US2879522A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-03-15 1968-09-14 1969-03-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-03-15 1972-09-14 1973-03-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-03-15 1976-09-14 1977-03-16 $7700.00 Window Closed / Lapsed

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