← Back to Patent Explorer
US3117256A Expired / Lapsed US ⏱️ 0.0 years remaining

Electromechanical transducer

Assignee: International Business Machines Corp
•
Filing: 1961-01-03
•
Granted: 1964-01-07
•
Expires: 1981-01-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Rodger L Gamblin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:25
CPC Classifications
B; B41; B41J; B41J9/00; B41J9/26; B41J9/36

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 51 words
AN ELECTROMECHANICAL TRANSDUCER COMPRISING: A RIGID SUPPORT, A RECIPROCALLY MOUNTED ACTUATOR MOVABLE RELATIVE TO SAID SUPPORT, AN AIR CORED COIL DISPOSED BETWEEN SAID RIGID SUPPORT AND SAID ACTUATOR, SAID COIL BEING SUBSTANTIALLY RECTANGULAR, AND MEANS BIASING SAID ACTUATOR SO THAT SAID AIR CORED COIL ABUTS SAID ACTUATOR AND SAID RIGID SUPPORT.
Claim 2
Dependent Claim 51 words
AN ELECTROMECHANICAL TRANSDUCER COMPRISING: A RIGID SUPPORT, A RECIPROCALLY MOUNTED ACTUATOR MOVABLE RELATIVE TO SAID SUPPORT, AN AIR CORED COIL DISPOSED BETWEEN SAID RIGID SUPPORT AND SAID ACTUATOR, SAID COIL BEING SUBSTANTIALLY RECTANGULAR, AND MEANS BIASING SAID ACTUATOR SO THAT SAID AIR CORED COIL ABUTS SAID ACTUATOR AND SAID RIGID SUPPORT.

References Cited (Backward Citations)

US2351319A Cited
US2648837A Cited
US2906582A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-01-06 1967-07-08 1968-01-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-01-06 1971-07-08 1972-01-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-01-06 1975-07-08 1976-01-07 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag