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US3098261A Expired / Lapsed US ⏱️ 0.0 years remaining

Powdered metal compacting press

Assignee: Cincinnati Shaper Co
•
Filing: 1961-01-06
•
Granted: 1963-07-23
•
Expires: 1981-01-06
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Abstract

No abstract record available.

Inventors

  • 👤 John J Littley
  • 👤 Burns Robert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 00:48
CPC Classifications
B; B22; B22F; B22F7/00; B22F7/02; B22F7/04; B22F3/00; B22F3/004; B22F3/02; B22F3/03

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 122 words
A COMPACTING PRESS FOR COMPACTING POWDERED MATERIAL INTO A FINISHED PRODUCT OF ARCUATE FORM, COMPRISING AN ECCENTRIC DRIVEN RAM, A CURVED UPPER PUNCH SECURED TO SAID RAM, A DIE TABLE CURVED TO AN ARC APPROXIMATELY EQUAL TO THE DESIRED ARC OF THE FINISHED PRODUCT, A DIE MOUNTED IN SAID TABLE, A CURVED LOWER PUNCH ADAPTED TO BE RECIPROCATED WITHIN SAID DIE, MEANS FOR RECIPROCATING SAID LOWER PUNCH, FEEDER MEANS MOUNTED FOR ARCUATE TRAVEL OVER SAID CURVED DIE TABLE AND DIE, AND MEANS FOR EFFECTING THE ARCUATE TRAVEL OF SAID FEEDER MEANS, SAID FEEDER MEANS THUS FILLING SAID DIE WITH SAID POWDERED MATERIAL AND LEAVING A CURVED TOP SURFACE ON SAID POWDERED MATERIAL PRIOR TO COMPACTING BETWEEN SAID CURVED UPPER AND LOWER PUNCHES.
Claim 2
Dependent Claim 122 words
A COMPACTING PRESS FOR COMPACTING POWDERED MATERIAL INTO A FINISHED PRODUCT OF ARCUATE FORM, COMPRISING AN ECCENTRIC DRIVEN RAM, A CURVED UPPER PUNCH SECURED TO SAID RAM, A DIE TABLE CURVED TO AN ARC APPROXIMATELY EQUAL TO THE DESIRED ARC OF THE FINISHED PRODUCT, A DIE MOUNTED IN SAID TABLE, A CURVED LOWER PUNCH ADAPTED TO BE RECIPROCATED WITHIN SAID DIE, MEANS FOR RECIPROCATING SAID LOWER PUNCH, FEEDER MEANS MOUNTED FOR ARCUATE TRAVEL OVER SAID CURVED DIE TABLE AND DIE, AND MEANS FOR EFFECTING THE ARCUATE TRAVEL OF SAID FEEDER MEANS, SAID FEEDER MEANS THUS FILLING SAID DIE WITH SAID POWDERED MATERIAL AND LEAVING A CURVED TOP SURFACE ON SAID POWDERED MATERIAL PRIOR TO COMPACTING BETWEEN SAID CURVED UPPER AND LOWER PUNCHES.

References Cited (Backward Citations)

US532186A Cited
US532500A Cited
US661236A Cited
US819005A Cited
US835737A Cited
US994349A Cited
US1599085A Cited
US2145096A Cited
US2275592A Cited
US2350971A Cited
US2482342A Cited
US2675584A Cited
US2900664A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-07-22 1967-01-21 1967-07-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-07-22 1971-01-21 1971-07-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-07-22 1975-01-21 1975-07-23 $7700.00 Window Closed / Lapsed

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