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US3376808A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluid-operated press

Assignee: BECKETT HARCUM CO
•
Filing: 1966-10-24
•
Granted: 1968-04-09
•
Expires: 1986-10-24
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Abstract

No abstract record available.

Inventors

  • 👤 Donald E Beckett
  • 👤 Robin K Beckett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 10:48
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/003; B21; B21D; B21D22/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 97 words
A FLUID-OPERATED PRESS COMPRISING IN COMBINATION: A PLATEN, AND MEANS GUIDING THE PLATEN FOR MOVEMENT BETWEEN A POSITION OF ADVANCEMENT, AND A RETRACTED HOME POSITION; A FLEXIBLE INFLATABLE PRIMARY BELLOWS OPERATIVE UPON THE MOVABLE PLATEN FOR ADVANCING SAID PLATEN UPON INTRODUCTION OF FLUID UNDER PRESSURE INTO SAID PRIMARY BELLOWS; A FLEXIBLE INFLATABLE SECONDARY BELLOWS OPERATIVE UPON THE MOVABLE PLATEN TO RETURN SAID PLATEN TO HOME POSITION; AND CONTROL MEANS FOR SELECTIVELY DIRECTING PRESSURIZED INFLATING FLUID INTO EITHER OF SAID BELLOWS WHILE THE OTHER OF SAID BELLOWS DEFLATES INCIDENT TO THE EXHAUSTING OF FLUID FROM SAID OTHER BELLOWS.
Claim 2
Dependent Claim 97 words
A FLUID-OPERATED PRESS COMPRISING IN COMBINATION: A PLATEN, AND MEANS GUIDING THE PLATEN FOR MOVEMENT BETWEEN A POSITION OF ADVANCEMENT, AND A RETRACTED HOME POSITION; A FLEXIBLE INFLATABLE PRIMARY BELLOWS OPERATIVE UPON THE MOVABLE PLATEN FOR ADVANCING SAID PLATEN UPON INTRODUCTION OF FLUID UNDER PRESSURE INTO SAID PRIMARY BELLOWS; A FLEXIBLE INFLATABLE SECONDARY BELLOWS OPERATIVE UPON THE MOVABLE PLATEN TO RETURN SAID PLATEN TO HOME POSITION; AND CONTROL MEANS FOR SELECTIVELY DIRECTING PRESSURIZED INFLATING FLUID INTO EITHER OF SAID BELLOWS WHILE THE OTHER OF SAID BELLOWS DEFLATES INCIDENT TO THE EXHAUSTING OF FLUID FROM SAID OTHER BELLOWS.

References Cited (Backward Citations)

DE179263C Cited
US877139A Cited
US2246021A Cited
US2240630A Cited
US2302132A Cited
US2411043A Cited
US2869173A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-04-09 1971-10-09 1972-04-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-04-09 1975-10-09 1976-04-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-04-09 1979-10-09 1980-04-09 $7700.00 Window Closed / Lapsed

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