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US3102480A Expired / Lapsed US ⏱️ 0.0 years remaining

Timing and/or delay device

Assignee: Philips North America LLC
•
Filing: 1955-03-18
•
Granted: 1963-09-03
•
Expires: 1975-03-18
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Abstract

No abstract record available.

Inventors

  • 👤 Ralph H Severance
  • 👤 Donald E Craig

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 20:51
CPC Classifications
F; F42; F42C; F42C15/00; F42C15/28; F42C15/285

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 185 words
A MECHANISM HAVING AN OPERATION CYCLE OF PREDETERMINED TIME DURATION COMPRISING A SUPPORT, A MEMBER MOVABLY MOUNTED ON SAID SUPPORT, AND A CONTROL DEVICE FOR RELEASING SAID MEMBER AFTER A PREDETERMINED TIME PERIOD IN RESPONSE TO AN EXTERNAL ACCELERATIVE FORCE COMPRISING A CONTAINER MEMBER DISPOSED RELATIVE TO SAID MOVABLE MEMBER TO INHIBIT ACTUATION OF SAID MOVABLE MEMBER AND SLIDABLY MOUNTED ON SAID SUPPORT FOR MOVEMENT IN RESPONSE TO SAID ACCELERATIVE FORCE TO RELEASE SAID MOVABLE MEMBER, A STATIONARY PLUNGER WITHIN ONE END OF SAID CONTAINER MEMBER FORMING A SMALL CHAMBER AND A LARGE CHAMBER WITHIN SAID CONTAINER MEMBER, SAID PLUNGER HAVING CLEARANCE SPACE BETWEEN IT AND THE WALLS OF SAID CONTAINER, AND PARTICLES OF SOLID MATERIAL FILLING SAID LARGE CHAMBER AND HAVING A DIAMETER SLIGHTLY SMALLER THAN THE CLEARANCE BETWEEN SAID PLUNGER AND SAID CONTAINER MEMBER, WHEREBY LONGITUDINAL ACCELERATIVE FORCES ACTING ON SAID PARTICLES AND SAID CONTAINER MEMBER TOWARD SAID SMALL CHAMBER CAUSE THE FLOW OF SAID PARTICLES AROUND THE EDGES OF SAID PLUNGER INTO SAID SMALL CHAMBER AND MOVEMENT OF SAID CONTAINER MEMBER TOWARD THE SMALL CHAMBER AT A RATE PROPORTIONAL TO SAID FORCES.

References Cited (Backward Citations)

US896135A Cited
US977440A Cited
US1333667A Cited
GB245766A Cited
US2651993A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-09-02 1967-03-04 1967-09-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-09-02 1971-03-04 1971-09-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-09-02 1975-03-04 1975-09-03 $7700.00 Window Closed / Lapsed

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