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US3377581A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for woven screen memory devices

Assignee: Bunker Ramo Corp
•
Filing: 1963-11-12
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Granted: 1968-04-09
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Expires: 1983-11-12
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Abstract

No abstract record available.

Inventors

  • 👤 David R Boles
  • 👤 John S Davis
  • 👤 Paul E Wells

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 08:27
CPC Classifications
D; D03; D03D; D03D1/00; D03D1/0082; D03D1/0088; D03D15/00; D03D15/50; D03D15/507; D03D25/00; D10; D10B; D10B2401/00; D10B2401/16; D10B2401/18; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069; Y10T29/53; Y10T29/5313; Y10T29/53165

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3300767A Cited
US3221312A Cited
US3309681A Cited
US3238822A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-04-09 1971-10-09 1972-04-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-04-09 1975-10-09 1976-04-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-04-09 1979-10-09 1980-04-09 $7700.00 Window Closed / Lapsed

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