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US3385346A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for removal of condensed deposits from mold covers

Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1965-08-26
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Granted: 1968-05-28
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Expires: 1985-08-26
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Abstract

No abstract record available.

Inventors

  • 👤 Donald G Fleck

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 01:07
CPC Classifications
B; B22; B22D; B22D27/00; B22D27/04; B22D27/045

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1839106A Cited
US2806271A Cited
US3188702A Cited
US3200455A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-05-28 1971-11-27 1972-05-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-05-28 1975-11-27 1976-05-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-05-28 1979-11-27 1980-05-28 $7700.00 Window Closed / Lapsed

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