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US3626583A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermoelectric device

Assignee: Mining and Chemical Products Ltd
•
Filing: 1969-06-18
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Granted: 1971-12-14
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Expires: 1989-06-18
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Abstract

Abstract A METHOD OF MAKING A THERMOELECTRIC DEVICE COMPRISING THE STEPS OF PROVIDING PIECES OF P TYPE MATERIAL AND N TYPE MATERIAL, RESPECTIVELY, CUTTING THESE PIECES INTO FIRST FLAT SLICES, SECURING THE P AND N SLICES TOGETHER IN ALTERNATING RELATION THEREBY FORMING A FIRST COMPOSITE UNIT WHICH BEGINS AND ENDS WITH P AND N SLICES, RESPECTIVELY, CUTTING SAID FIRST UNITS NORMAL TO SAID FIRST SURFACES INTO SECOND AND THIRD SLICES, RESPECTIVELY, SECURING THE SECOND AND THIRD SLICES TOGETHER WITH THE P AND N SLICES IN ALTERNATING RELATION THEREBY FORMING A THIRD COMPOSITE UNIT, CUTTING SAID THIRD UNIT NORMAL TO SAID FIRST, SECOND AND THIRD SURFACES INTO SLAB-LIKE MATRICES HAVING A PLURALITY OF P AND N TYPE ELEMENTS, INSULATING SAID ELEMENTS FROM EACH OTHER AND CONDUCTIVELY CONNECTING SAID ELEMENTS TOGETHER IN A PREDETERMINED MANNER.

Inventors

  • 👤 Colin Edward Abbott
  • 👤 Guy Anthony Barnes
  • 👤 John Francis Anthony Mcentee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 10:47
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/01

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-12-13 1975-06-14 1975-12-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-12-13 1979-06-14 1979-12-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-12-13 1983-06-14 1983-12-14 $7700.00 Window Closed / Lapsed

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