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US3587985A Expired / Lapsed US ⏱️ 0.0 years remaining

Metal-processing unit

Assignee: Pangborn Corp
•
Filing: 1969-01-14
•
Granted: 1971-06-28
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Expires: 1989-01-14
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Abstract

Abstract A PROCESSING UNIT PARTICULARLY FOR AUTOMOBILE BODIES, SHEET METAL SCRAP, AND OTHER SOLID WASTE, UTILIZING A PAIR OF ROTARY COMPACTORS PLACED SIDE-BY-SIDE AND TO OPEN THE OUTER SURROUNDING SHELL BETWEEN THE TWO ALLOWING THE MATERIAL PASSING THROUGH THE MACHINE ACCESS BETWEEN THE TWO ROTORS OF THE COMPACTORS.

Inventors

  • 👤 Roy M Eidal

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 02:57
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/32; B30B9/326; C; C22; C22B; C22B1/00; C22B1/14; C22B1/24; C22B1/248

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) 1974-06-27 1974-12-27 1975-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-27 1978-12-27 1979-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-27 1982-12-27 1983-06-28 $7700.00 Window Closed / Lapsed

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