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US2900135A Expired / Lapsed US ⏱️ 0.0 years remaining

Digital differential analyzers

Assignee: Bendix Aviation Corp
•
Filing: 1953-06-18
•
Granted: 1959-08-18
•
Expires: 1973-06-18
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Abstract

No abstract record available.

Inventors

  • 👤 Reno V Benaglio
  • 👤 Jack M Patterson
  • 👤 Charles A Piper

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 00:04
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/60; G06F7/64; G06F7/66

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2609143A Cited
US2737342A Cited
US2701095A Cited
US2841328A Cited
US2749037A Cited
US2700696A Cited
US2850232A Cited
US2679035A Cited
US2674733A Cited
US2852187A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-08-17 1963-02-16 1963-08-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-08-17 1967-02-16 1967-08-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-08-17 1971-02-16 1971-08-18 $7700.00 Window Closed / Lapsed

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