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US2745084A Expired / Lapsed US ⏱️ 0.0 years remaining

Underwater sound transducer

Assignee: Individual
•
Filing: 1945-08-29
•
Granted: 1956-05-08
•
Expires: 1965-08-29
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Abstract

No abstract record available.

Inventors

  • 👤 Francis P Bundy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 04:28
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/08; B06B1/085

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 89 words
AN UNDERWATER SOUND TRANSDUCER COMPRISING A LAMINATED OSCILLATOR OF MAGNETO-STRICTIVE MATERIAL HAVING A SOUND PROPAGATING FLANGE, SPACED LEGS EXTENDING FROM SAID FLANGE, PORTIONS OF SAID LEGS REMOTE FROM SAID FLANGE HAVING LOBES PROVIDING STIFF LEG-PORTIONS WHICH ARE CONNECTED TO SAID FLANGE BY RELATIVELY ELASTIC LEG-PORTIONS WHEREBY THE POINT OF MAXIMUM STRAIN IS ESTABLISHED WITHIN SAID RELATIVELY ELASTIC PORTION NEAR THE JUNCTION OF SAID ELASTIC AND STIFF LEG PORTIONS, POLARIZING MAGNETS DISPOSED BETWEEN THE LOBES OF SAID LEGS, AND ENERGIZING COILS POSITIONED ABOUT THE RELATIVELY ELASTIC PORTION OF SAID LEGS.

References Cited (Backward Citations)

US1882401A Cited
US1966446A Cited
US2088324A Cited
US2190666A Cited
US2279322A Cited
US2411911A Cited
US2452085A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-05-08 1959-11-07 1960-05-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-05-08 1963-11-07 1964-05-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-05-08 1967-11-07 1968-05-08 $7700.00 Window Closed / Lapsed

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