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US3553841A Expired / Lapsed US ⏱️ 0.0 years remaining

Amalgam condenser

Assignee: Individual
•
Filing: 1967-10-23
•
Granted: 1971-01-12
•
Expires: 1987-10-23
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Abstract

Abstract AN AMALGAM CONDENSER INCLUDES A DUAL MOTION VIBRATOR WHICH REVOLVES BALLS AND IN PLANES AT RIGHT ANGLES TO EACH OTHER TO VIBRATE A SLEEVE-LIKE HOUSING AND A CONDENSER POINT TO MOVE A WORKING END SPHERICALLY. A NUT SCREWED ONTO A THREADED PORTION PRESSES AN ADAPTER AGAINST A DISC OF THE VIBRATOR TO PRESS A VIBRATOR BODY AND A COLLET FORWARDLY OF THE HOUSING TO CAUSE FRUSTOCONICAL PORTION OF THE HOUSING TO CAM THE FINGERS OF THE COLLET INWARDLY AGAINST SHANK OF THE CONDENSER POINT TO GRIP THE SHANK TIGHTLY. A MANUALLY ADJUSTABLE VALVE CONTROL SLEEVE PRESSES A CONNECTOR AGAINST A RESILIENT O-RING TO OPEN A VALVE TO THE EXTENT THAT THE O-RING IS COMPRESSED. THE O-RING ACTS BOTH AS A SEAL AND AS A SPRING HOLDING THE CONNECTOR FIRMLY AGAINST THE SHOULDER. AIR TRAVELS FROM THE VALVE THROUGH PASSAGE IN THE ADAPTER, THE TUBE AND PARALLEL PASSAGES AND TO CIRCULAR CHAMBERS OR RACES. THE AIR IS EXHAUSTED TO THE ATMOSPHERE FROM THE CHAMBERS AND ALONG FLATS ON THE CYLINDRICAL BODY, FLATS ON THE PERIPHERY OF THE DISC AND FLATS ON CIRCULAR FLANGE OF THE ADAPTER.

Inventors

  • 👤 George K Austin Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:26
CPC Classifications
A; A61; A61C; A61C3/00; A61C3/08

Claims Analysis

Total Claims: 0
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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) 1974-01-11 1974-07-13 1975-01-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-11 1978-07-13 1979-01-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-11 1982-07-13 1983-01-12 $7700.00 Window Closed / Lapsed

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