US3264604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducer
Assignee: BARTLETT LAB Inc
•
Filing: 1964-01-20
•
Granted: 1966-08-02
•
Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Peter G Bartlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:07
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/02; G01R33/06; G01R33/07; B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; B06B1/0655; G01V; G01V1/00; G01V1/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A TRANSDUCER COMPRISING A CYLINDER COMPOSED OF ELECTROMECHANICALLY SENSITIVE DIELECTRIC MATERIAL, SAID CYLINDER BEING DIVIDED INTO FOUR QUADRANTS AND HAVING A PLURALITY OF EQUALLY SPACED BORES IN EACH OF THE FOUR QUADRANTS AND EXTENDING LONGITUDINALLY OF THE CYLINDER, CONDUCTIVE COATINGS ON THE INTERIOR AND EXTERIOR OF THE CYLINDER, CONDUCTIVE COATINGS ON THE CYLINDER INSIDE OF SAID BORES, MEANS FOR ELECTRICALLY CONNECTING IN SERIES ALL OF THE BORES IN EACH QUADRANT WITH THE MOST ENDWARD BORES
Claim 2
Dependent Claim
75 words
A TRANSDUCER COMPRISING A CYLINDER COMPOSED OF ELECTROMECHANICALLY SENSITIVE DIELECTRIC MATERIAL, SAID CYLINDER BEING DIVIDED INTO FOUR QUADRANTS AND HAVING A PLURALITY OF EQUALLY SPACED BORES IN EACH OF THE FOUR QUADRANTS AND EXTENDING LONGITUDINALLY OF THE CYLINDER, CONDUCTIVE COATINGS ON THE INTERIOR AND EXTERIOR OF THE CYLINDER, CONDUCTIVE COATINGS ON THE CYLINDER INSIDE OF SAID BORES, MEANS FOR ELECTRICALLY CONNECTING IN SERIES ALL OF THE BORES IN EACH QUADRANT WITH THE MOST ENDWARD BORES
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |