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US3289018A Expired / Lapsed US ⏱️ 0.0 years remaining

Securing of electric motor end members

Assignee: Franklin Electric Co Inc
•
Filing: 1964-05-06
•
Granted: 1966-11-29
•
Expires: 1984-05-06
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Abstract

No abstract record available.

Inventors

  • 👤 Edward J Schaefer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 22:05
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/15

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 162 words
IN AN ELECTRIC MOTOR CONSTRUCTION INCLUDING A STATOR AND A ROTOR, A FRAME FOR HOUSING AND SUPPORTING THE STATOR AND THE ROTOR COMPRISING A TUBULAR SHELL MEMBER AND AT LEAST ONE END MEMBER, SAID END MEMBER HAVING A PORTION POSITIONED IN AN END OF SAID SHELL MEMBER, SAID SHELL MEMBER AND SAID END MEMBER INCLUDING SUBSTANTIALLY LATERAL ABUTTING SURFACES FOR ACCURATELY LOCATING SAID MEMBERS LONGITUDINALLY RELATIVE TO EACH OTHER, AND SAID SHELL MEMBER BEING DEFORMED INTO RIGID INTERLOCKING ENGAGEMENT WITH SAID END MEMBER AT INTERMITTENT SPACED LOCATIONS, SAID ABUTTING SURFACES COMPRISING THE END SURFACE OF SAID SHELL MEMBER AND A LATERAL SHOULDER ON SAID END MEMBER, AND SAID INTERLOCKING ENGAGEMENT OF TSAID MEMBERS INCLUDING AT LEAST ONE RECESS FORMED IN THE OUTER PERIPHERY OF SAID PORTION OF SAID END MEMBER, THE AXIALLY INNER SURFACE OF SAID RECESS BEING SPACED AXIALLY INWARDLY FROM SAID SHOULDER, AND SAID SHELL MEMBER INCLUDING A PORTION DEFORMED INTO TIGHT ENGAGEMENT WITH SAID INNER SURFACE OF SAID RECESS.
Claim 2
Dependent Claim 162 words
IN AN ELECTRIC MOTOR CONSTRUCTION INCLUDING A STATOR AND A ROTOR, A FRAME FOR HOUSING AND SUPPORTING THE STATOR AND THE ROTOR COMPRISING A TUBULAR SHELL MEMBER AND AT LEAST ONE END MEMBER, SAID END MEMBER HAVING A PORTION POSITIONED IN AN END OF SAID SHELL MEMBER, SAID SHELL MEMBER AND SAID END MEMBER INCLUDING SUBSTANTIALLY LATERAL ABUTTING SURFACES FOR ACCURATELY LOCATING SAID MEMBERS LONGITUDINALLY RELATIVE TO EACH OTHER, AND SAID SHELL MEMBER BEING DEFORMED INTO RIGID INTERLOCKING ENGAGEMENT WITH SAID END MEMBER AT INTERMITTENT SPACED LOCATIONS, SAID ABUTTING SURFACES COMPRISING THE END SURFACE OF SAID SHELL MEMBER AND A LATERAL SHOULDER ON SAID END MEMBER, AND SAID INTERLOCKING ENGAGEMENT OF TSAID MEMBERS INCLUDING AT LEAST ONE RECESS FORMED IN THE OUTER PERIPHERY OF SAID PORTION OF SAID END MEMBER, THE AXIALLY INNER SURFACE OF SAID RECESS BEING SPACED AXIALLY INWARDLY FROM SAID SHOULDER, AND SAID SHELL MEMBER INCLUDING A PORTION DEFORMED INTO TIGHT ENGAGEMENT WITH SAID INNER SURFACE OF SAID RECESS.

References Cited (Backward Citations)

US2654848A Cited
US2798173A Cited
US2967346A Cited
US2993132A Cited
US3041976A Cited
US3116432A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-11-28 1970-05-30 1970-11-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-11-28 1974-05-30 1974-11-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-11-28 1978-05-30 1978-11-29 $7700.00 Window Closed / Lapsed

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