Patent US3133258A successfully refreshed from Google Patents.
US3133258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic strip delay line
Assignee: AT&T Inc
•
Filing: 1960-10-21
•
Granted: 1964-05-12
•
Expires: 1980-10-21
Abstract
No abstract record available.
Inventors
- 👤 Allen H Meitzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:44
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/30; H03H9/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN COMBINATION, AN ELONGATED THIN STRIP OF ULTRASONIC TRANSMISSION MATERIAL HAVING END FACES PERPENDICULAR TO THE MAJOR SURFACES AND ONE OF THE MINOR SURFACES OF THE STRIP, THE OTHER MINOR SURFACE OF SAID STRIP BEING TAPERED WITH RESPECT TO THE FIRST-MENTIONED MINOR SURFACE, AND A PAIR OF THICKNESS-LONGITUDINAL-MODE TRANSDUCERS MOUNTED OFF CENTER ON SAID END FACES IMMEDIATELY ADJACENT THE UNTAPERED MINOR SURFACE WITH THE AXES OF LAUNCHING AND RECEIVING OF SAID TRANSDUCERS PARALLEL TO AND OFFSET FROM THE LONGITUDINAL AXIS OF SAID STRIP.
Claim 2
Dependent Claim
83 words
IN COMBINATION, AN ELONGATED THIN STRIP OF ULTRASONIC TRANSMISSION MATERIAL HAVING END FACES PERPENDICULAR TO THE MAJOR SURFACES AND ONE OF THE MINOR SURFACES OF THE STRIP, THE OTHER MINOR SURFACE OF SAID STRIP BEING TAPERED WITH RESPECT TO THE FIRST-MENTIONED MINOR SURFACE, AND A PAIR OF THICKNESS-LONGITUDINAL-MODE TRANSDUCERS MOUNTED OFF CENTER ON SAID END FACES IMMEDIATELY ADJACENT THE UNTAPERED MINOR SURFACE WITH THE AXES OF LAUNCHING AND RECEIVING OF SAID TRANSDUCERS PARALLEL TO AND OFFSET FROM THE LONGITUDINAL AXIS OF SAID STRIP.
References Cited (Backward Citations)
US2485722A
Cited
US2703867A
Cited
US2565725A
Cited
US2668529A
Cited
US2859415A
Cited
US2839731A
Cited
US2867777A
Cited
US3041556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |