US3142035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ring-shaped transducer
Assignee: Harris Transducer Corp
•
Filing: 1960-02-04
•
Granted: 1964-07-21
•
Expires: 1980-02-04
Abstract
No abstract record available.
Inventors
- 👤 Wilbur T Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:13
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0603
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A TRANSDUCER COMPRISING A PLURALITY OF STRIPS OF TRANSDUCING MATERIAL AND A PLURALITY OF SPACING STRIPS OF CONDUCTIVE MATERIAL, SAID STRIPS COLLECTIVELY DEFINING A SUBSTANTIALLY RING-SHAPED STRUCTURE, A PLURALITY OF SAID TRANSDUCING STRIPS BEING ARRANGED CIRCUMFERENTIALLY BETWEEN EACH PAIR OF SPACING STRIPS AND ELECTRICALLY CONNECTED IN PARALLEL BETWEEN SAID PAIR OF SPACING STRIPS.
Claim 2
Dependent Claim
53 words
A TRANSDUCER COMPRISING A PLURALITY OF STRIPS OF TRANSDUCING MATERIAL AND A PLURALITY OF SPACING STRIPS OF CONDUCTIVE MATERIAL, SAID STRIPS COLLECTIVELY DEFINING A SUBSTANTIALLY RING-SHAPED STRUCTURE, A PLURALITY OF SAID TRANSDUCING STRIPS BEING ARRANGED CIRCUMFERENTIALLY BETWEEN EACH PAIR OF SPACING STRIPS AND ELECTRICALLY CONNECTED IN PARALLEL BETWEEN SAID PAIR OF SPACING STRIPS.
References Cited (Backward Citations)
US2116522A
Cited
US2416314A
Cited
US2419197A
Cited
US2838850A
Cited
US2521642A
Cited
US2515154A
Cited
US2757358A
Cited
US2820912A
Cited
US2961635A
Cited
US3043967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |