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US3179826A Expired / Lapsed US ⏱️ 0.0 years remaining

Piezolelectric assembly

Assignee: Individual
•
Filing: 1961-09-14
•
Granted: 1965-04-20
•
Expires: 1981-09-14
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Abstract

No abstract record available.

Inventors

  • 👤 Trott Winfield James
  • 👤 William E Radford

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 23:12
CPC Classifications
C; C04; C04B; C04B37/00; C04B37/003; C04B37/006; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/26; C04B37/02; C04B37/023; C04B37/026; H; H10; H10N; H10N30/00; H10N30/01; H10N30/05; H10N30/057; H10N30/06; H10N30/80; H10N30/87; H10N30/871; H10N30/877; C04B2235/00; C04B2235/02; C04B2235/50; C04B2235/54; C04B2235/5418; C04B2235/5436; C04B2235/60; C04B2235/604; C04B2235/65; C04B2235/656; C04B2235/6567; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/124; C04B2237/125; C04B2237/126; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/40; C04B2237/405; C04B2237/408; C04B2237/50; C04B2237/52; C04B2237/64; C04B2237/70; C04B2237/704; C04B2237/708; C04B2237/72; C04B2237/74; C04B2237/76; C04B2237/765; C04B2237/88; Y; Y10; Y10S; Y10S420/00; Y10S420/903; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10T; Y10T29/00; Y10T29/42; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12493; Y10T428/12771; Y10T428/12778; Y10T428/12785; Y10T428/12861; Y10T428/12896

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 55 words
A PIEZOELECTRIC ASSEMBLY COMPRISING A PLURALTIY OF ELECTROMECHANICALLY RESPONSIVE ELEMENTS ASSEMBLED FACE TO FACE, SAID ELEMENTS HAVING ELECTRODED FACE SURFACES AND BEING JOINED TO EACH OTHER THROUGH SAID SURFACES BY AN AMALGAM OF MERCURY WITH SILVER OF APPROXIMATELY THE RANGE OF 5 TO 25 PERCENT OF SILVER BY WEIGHT, AND ELECTRICAL LEADS BETWEEN SAID ELEMENTS.
Claim 2
Dependent Claim 55 words
A PIEZOELECTRIC ASSEMBLY COMPRISING A PLURALTIY OF ELECTROMECHANICALLY RESPONSIVE ELEMENTS ASSEMBLED FACE TO FACE, SAID ELEMENTS HAVING ELECTRODED FACE SURFACES AND BEING JOINED TO EACH OTHER THROUGH SAID SURFACES BY AN AMALGAM OF MERCURY WITH SILVER OF APPROXIMATELY THE RANGE OF 5 TO 25 PERCENT OF SILVER BY WEIGHT, AND ELECTRICAL LEADS BETWEEN SAID ELEMENTS.

References Cited (Backward Citations)

US489077A Cited
US2379420A Cited
US2293485A Cited
US2511624A Cited
US2700738A Cited
US2768421A Cited
US2861320A Cited
US2864013A Cited
US2850382A Cited
US3037065A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-04-19 1968-10-19 1969-04-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-04-19 1972-10-19 1973-04-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-04-19 1976-10-19 1977-04-20 $7700.00 Window Closed / Lapsed

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