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US3086283A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for improving assembly of heat exchanger for semiconductors

Assignee: Individual
•
Filing: 1960-05-27
•
Granted: 1963-04-23
•
Expires: 1980-05-27
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Abstract

No abstract record available.

Inventors

  • 👤 Charles A Webber
  • 👤 Jack J Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 00:01
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/40; H10W40/43; Y; Y10; Y10S; Y10S165/00; Y10S165/903; Y10S165/905; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US801683A Cited
US1887651A Cited
US2424612A Cited
US2501147A Cited
US2890521A Cited
US2923056A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-04-22 1966-10-22 1967-04-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-04-22 1970-10-22 1971-04-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-04-22 1974-10-22 1975-04-23 $7700.00 Window Closed / Lapsed

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