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US3211069A Expired / Lapsed US ⏱️ 0.0 years remaining

Flash gun for photoflash lamps and piezoelectric ignition energy generating apparatus for use therein

Assignee: Westinghouse Electric Corp
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Filing: 1963-05-31
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Granted: 1965-10-12
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Expires: 1983-05-31
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Abstract

No abstract record available.

Inventors

  • 👤 Frederick H Rixton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 04:43
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/28; F23Q2/285; F23Q2/287; F23Q3/00; F23Q3/002; G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/0452; G03B15/0463

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 99 words
A FLASH GUN FOR PHOTOFLASH APPARATUS COMPRISING, IN COMBINATION, A BODY MEMBER, LEVER MEANS PIVOTALLY CONNECTED TO THE BODY MEMBER, SAID LEVER MEANS BEING ADAPTED TO BE GRASPED BY THE FINGERS OF ONE HOLDING THE BODY MEMBER AND PRESSED TOWARD THE BODY MEMBER, LATCH MEANS ON THE BODY MEMBER FOR LATCHING THE LEVER MEANS ADJACENT THE BODY MEMBER, AT LEAST ONE PIEZOELECTRIC ELEMENT DISPOSED IN SAID BODY MEMBER IN PREDETERMINED POSITION WITH RESPECT TO THE LEVER MEANS WHEREBY PRESSURE IS APPLIED TO THE PIEZOELECTRIC ELEMENT TO CREATE STRESS IN SAID ELEMENT WHEN THE LEVER MEANS IS FORCED TOWARD THE
Claim 2
Dependent Claim 99 words
A FLASH GUN FOR PHOTOFLASH APPARATUS COMPRISING, IN COMBINATION, A BODY MEMBER, LEVER MEANS PIVOTALLY CONNECTED TO THE BODY MEMBER, SAID LEVER MEANS BEING ADAPTED TO BE GRASPED BY THE FINGERS OF ONE HOLDING THE BODY MEMBER AND PRESSED TOWARD THE BODY MEMBER, LATCH MEANS ON THE BODY MEMBER FOR LATCHING THE LEVER MEANS ADJACENT THE BODY MEMBER, AT LEAST ONE PIEZOELECTRIC ELEMENT DISPOSED IN SAID BODY MEMBER IN PREDETERMINED POSITION WITH RESPECT TO THE LEVER MEANS WHEREBY PRESSURE IS APPLIED TO THE PIEZOELECTRIC ELEMENT TO CREATE STRESS IN SAID ELEMENT WHEN THE LEVER MEANS IS FORCED TOWARD THE

References Cited (Backward Citations)

US2614409A Cited
US2972937A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-10-11 1969-04-12 1969-10-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-10-11 1973-04-12 1973-10-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-10-11 1977-04-12 1977-10-12 $7700.00 Window Closed / Lapsed

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