US3246185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoelectric installation
Assignee: Individual
•
Filing: 1962-02-28
•
Granted: 1966-04-12
•
Expires: 1982-02-28
Abstract
No abstract record available.
Inventors
- 👤 Ray F Hinton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:22
CPC Classifications
F; F42; F42C; F42C11/00; F42C11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
MEANS FOR PRESTRESSING A PIEZOELECTRIC ELEMENT TO PROVIDE A DESIRED VOLTAGE OUTPUT COMPRISING, IN COMBINATION, A SUPPORTING STRUCTURE FORMED WITH AN OPENING HAVING A PAIR OF OPPOSITE WALLS, ONE OF SAID WALLS BEING VERTICAL AND THE OTHER BEING INCLINED, A PIEZOELECTRIC ELEMENT ADJACENT SAID VERTICAL WALL, TAPERED MEANS DISPOSED BETWEEN SAID ELEMENT AND SAID INCLINED WALL, AND MEANS SUPPORTED BY SAID STRUCTURE FOR MOVING SAID TAPERED MEANS RELATIVE TO SAID INCLINED WALL FOR FORCING SAID ELEMENT TOWARD SAID VERTICAL WALL.
Claim 2
Dependent Claim
80 words
MEANS FOR PRESTRESSING A PIEZOELECTRIC ELEMENT TO PROVIDE A DESIRED VOLTAGE OUTPUT COMPRISING, IN COMBINATION, A SUPPORTING STRUCTURE FORMED WITH AN OPENING HAVING A PAIR OF OPPOSITE WALLS, ONE OF SAID WALLS BEING VERTICAL AND THE OTHER BEING INCLINED, A PIEZOELECTRIC ELEMENT ADJACENT SAID VERTICAL WALL, TAPERED MEANS DISPOSED BETWEEN SAID ELEMENT AND SAID INCLINED WALL, AND MEANS SUPPORTED BY SAID STRUCTURE FOR MOVING SAID TAPERED MEANS RELATIVE TO SAID INCLINED WALL FOR FORCING SAID ELEMENT TOWARD SAID VERTICAL WALL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |