Patent US3179826A successfully refreshed from Google Patents.
US3179826A
Expired / Lapsed
US
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Piezolelectric assembly
Assignee: Individual
•
Filing: 1961-09-14
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Granted: 1965-04-20
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Expires: 1981-09-14
Abstract
No abstract record available.
Inventors
- 👤 Trott Winfield James
- 👤 William E Radford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:48
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.
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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) | 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 |