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US3077884A Expired / Lapsed US ⏱️ 0.0 years remaining

Electro-physiotherapy apparatus

Assignee: BATROW LAB Inc
•
Filing: 1957-06-13
•
Granted: 1963-02-19
•
Expires: 1977-06-13
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Abstract

No abstract record available.

Inventors

  • 👤 Batrow John
  • 👤 Peter P Batrow

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 06:48
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/18; A61N1/32; A61N1/36; A61N1/36014; A61N1/3603; A61N1/321; A61N1/36003; A61N1/36034; A61N1/38; A61N1/39; A61N1/3904

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 100 words
AN ELECTROPHYSICAL NEUROMUSCULAR STIMULATOR OF THE CHARACTER INDICATED COMPRISING FIRST AND SECOND GAS-FILLED DIELECTRIC APPLICATOR ELECTRODE MEANS, SEPARATE RETURN ELECTRODE MEANS, SIGNAL PRODUCING MEANS TO PRODUCE A SERIES OF RELATIVELY HIGH VOLTAGE PULSES AT A PREDETERMINED FREQUENCY, MEANS REPETITIVELY COUPLING SAID SIGNAL PRODUCING MEANS TO SAID FIRST APPLICATOR ELECTRODE MEANS AND SAID RETURN ELECTRODE MEANS DURING ONE INTERVAL OF TIME AND TO SAID SECOND APPLICATOR ELECTRODE MEANS AND SAID RETURN ELECTRODE MEANS DURING A SECOND INTERVAL OF TIME, SAID FIRST APPLICATOR ELECTRODE MEANS AND SAID SECOND APPLICATOR ELECTRODE MEANS BEING COUPLED IN ALTERNATION TO SAID SIGNAL PRODUCING MEANS, WHEREBY SAID
Claim 2
Dependent Claim 100 words
AN ELECTROPHYSICAL NEUROMUSCULAR STIMULATOR OF THE CHARACTER INDICATED COMPRISING FIRST AND SECOND GAS-FILLED DIELECTRIC APPLICATOR ELECTRODE MEANS, SEPARATE RETURN ELECTRODE MEANS, SIGNAL PRODUCING MEANS TO PRODUCE A SERIES OF RELATIVELY HIGH VOLTAGE PULSES AT A PREDETERMINED FREQUENCY, MEANS REPETITIVELY COUPLING SAID SIGNAL PRODUCING MEANS TO SAID FIRST APPLICATOR ELECTRODE MEANS AND SAID RETURN ELECTRODE MEANS DURING ONE INTERVAL OF TIME AND TO SAID SECOND APPLICATOR ELECTRODE MEANS AND SAID RETURN ELECTRODE MEANS DURING A SECOND INTERVAL OF TIME, SAID FIRST APPLICATOR ELECTRODE MEANS AND SAID SECOND APPLICATOR ELECTRODE MEANS BEING COUPLED IN ALTERNATION TO SAID SIGNAL PRODUCING MEANS, WHEREBY SAID

References Cited (Backward Citations)

US1338269A Cited
US1645215A Cited
US1752632A Cited
US2622601A Cited
US2532788A Cited
US2641259A Cited
US2651304A Cited
US2711729A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-02-18 1966-08-20 1967-02-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-02-18 1970-08-20 1971-02-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-02-18 1974-08-20 1975-02-19 $7700.00 Window Closed / Lapsed

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