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US2831455A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Lanteris Space LLC
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Filing: 1955-08-04
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Granted: 1958-04-22
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Expires: 1975-08-04
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Abstract

No abstract record available.

Inventors

  • 👤 Sadowsky Meier
  • 👤 Elmer O Thompson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 22:28
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/04; C23C14/042; C23C14/046; H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/34; H01J9/00; H01J9/20

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2731947A Cited
US1141494A Cited
US1297469A Cited
US1273861A Cited
US1429828A Cited
US1593494A Cited
US2160714A Cited
US2657150A Cited
US2695593A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-04-21 1961-10-21 1962-04-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-04-21 1965-10-21 1966-04-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-04-21 1969-10-21 1970-04-22 $7700.00 Window Closed / Lapsed

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