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US2798255A Expired / Lapsed US ⏱️ 0.0 years remaining

Powder pressing machine

Assignee: Fansteel Inc
•
Filing: 1954-02-08
•
Granted: 1957-07-09
•
Expires: 1974-02-08
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Abstract

No abstract record available.

Inventors

  • 👤 John D Winters

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 05:44
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/02; B30B11/08; B30B11/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 153 words
IN A MACHINE FOR COMPACTING METAL POWDER AGAINST AN ARTICLE, A TURNTABLE PROVIDED WITH A PLURALITY OF EQUALLY SPACED OPENINGS ARRANGED CIRCUMFERENTIALLY OF SAID TURNTABLE, A POST VERTICALLY SLIDABLE IN EACH OF SAID OPENINGS, A CAM BELOW SAID OPENINGS ENGAGING THE BOTTOM OF EACH OF SAID POSTS TO SUPPORT SAID POSTS AT EITHER OF TWO VERTICAL LEVELS, SAID TURNTABLE BEING ROTATABLE TO MOVE SAID POSTS IN A CIRCULAR PATH, MEANS TO ROTATE SAID TURNTABLE WITH UNIFORM RESTS AT EQUALLY SPACED STATIONS, MEANS PROJECTING LATERALLY FROM SAID POST, MEANS AT ONE OF SAID STATIONS FOR DEPRESSING SAID POST FROM ITS HIGHER LEVEL, A LATCH ENGAGING SAID LATERALLY PROJECTING MEANS TO PREVENT RETURN OF SAID POST TO ITS HIGHER LEVEL UPON RELEASE OF SAID DEPRESSING MEANS, AND ANOTHER CAM ENGAGING SAID LATERALLY PROJECTING MEANS TO MOVE SAID POST TO ITS LOWER LEVEL ON THE FIRST CAM AS SAID TURNTABLE MOVES IT TO NEXT SUCCEEDING STATION.
Claim 2
Dependent Claim 153 words
IN A MACHINE FOR COMPACTING METAL POWDER AGAINST AN ARTICLE, A TURNTABLE PROVIDED WITH A PLURALITY OF EQUALLY SPACED OPENINGS ARRANGED CIRCUMFERENTIALLY OF SAID TURNTABLE, A POST VERTICALLY SLIDABLE IN EACH OF SAID OPENINGS, A CAM BELOW SAID OPENINGS ENGAGING THE BOTTOM OF EACH OF SAID POSTS TO SUPPORT SAID POSTS AT EITHER OF TWO VERTICAL LEVELS, SAID TURNTABLE BEING ROTATABLE TO MOVE SAID POSTS IN A CIRCULAR PATH, MEANS TO ROTATE SAID TURNTABLE WITH UNIFORM RESTS AT EQUALLY SPACED STATIONS, MEANS PROJECTING LATERALLY FROM SAID POST, MEANS AT ONE OF SAID STATIONS FOR DEPRESSING SAID POST FROM ITS HIGHER LEVEL, A LATCH ENGAGING SAID LATERALLY PROJECTING MEANS TO PREVENT RETURN OF SAID POST TO ITS HIGHER LEVEL UPON RELEASE OF SAID DEPRESSING MEANS, AND ANOTHER CAM ENGAGING SAID LATERALLY PROJECTING MEANS TO MOVE SAID POST TO ITS LOWER LEVEL ON THE FIRST CAM AS SAID TURNTABLE MOVES IT TO NEXT SUCCEEDING STATION.

References Cited (Backward Citations)

US773891A Cited
US791007A Cited
US2350971A Cited
US2492415A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-07-08 1961-01-07 1961-07-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-07-08 1965-01-07 1965-07-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-07-08 1969-01-07 1969-07-09 $7700.00 Window Closed / Lapsed

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