← Back to Patent Explorer
US3124936A Expired / Lapsed US ⏱️ 0.0 years remaining

melehy

Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 08:48
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/81; H10N10/817

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 70 words
A THERMOELECTRIC DEVICE COMPRISING A SEMICONDUCTOR BODY OF ALTERNATE OPPOSITE CONDUCTIVITY TYPES WITH AT LEAST ONE ACTIVE P-N JUNCTION AND AT LEAST ONE PASSIVE P-N JUNCTION FORMING INNER AND OUTER REGIONS, THE OUTER REGIONS HAVING HIGHER CONDUCTIVITY THAN THE INNER REGION, THE WIDTH OF THE INNER REGION BEING MUCH LESS THAN THE DIFFUSION LENGTH FOR MINORITY CARRIERS IN SAID INNER REGION WITH DISTANCE BETWEEN THE SAID P-N JUNCTIONS BEING SUFFI-
Claim 2
Dependent Claim 70 words
A THERMOELECTRIC DEVICE COMPRISING A SEMICONDUCTOR BODY OF ALTERNATE OPPOSITE CONDUCTIVITY TYPES WITH AT LEAST ONE ACTIVE P-N JUNCTION AND AT LEAST ONE PASSIVE P-N JUNCTION FORMING INNER AND OUTER REGIONS, THE OUTER REGIONS HAVING HIGHER CONDUCTIVITY THAN THE INNER REGION, THE WIDTH OF THE INNER REGION BEING MUCH LESS THAN THE DIFFUSION LENGTH FOR MINORITY CARRIERS IN SAID INNER REGION WITH DISTANCE BETWEEN THE SAID P-N JUNCTIONS BEING SUFFI-

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-03-17 1967-09-16 1968-03-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-03-17 1971-09-16 1972-03-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-03-17 1975-09-16 1976-03-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag