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US2515783A Expired / Lapsed US ⏱️ 0.0 years remaining

Controlling circuits for rotary connector switches

Assignee: Automatic Electric Laboratories Inc
•
Filing: 1947-07-22
•
Granted: 1950-07-18
•
Expires: 1967-07-22
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Abstract

No abstract record available.

Inventors

  • 👤 Clarence E Lomax

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 00:51
CPC Classifications
H; H04; H04Q; H04Q3/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1708244A Cited
US1293195A Cited
US1349381A Cited
US1689213A Cited
US1693124A Cited
US1716986A Cited
US1655061A Cited
US1856832A Cited
US1925681A Cited
US2052050A Cited
US2143971A Cited
US2335481A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-07-17 1954-01-16 1954-07-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-07-17 1958-01-16 1958-07-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-07-17 1962-01-16 1962-07-18 $7700.00 Window Closed / Lapsed

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