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US2963543A Expired / Lapsed US ⏱️ 0.0 years remaining

Underwater television propulsion apparatus

Assignee: General Precision Inc
•
Filing: 1956-12-10
•
Granted: 1960-12-06
•
Expires: 1976-12-10
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Abstract

No abstract record available.

Inventors

  • 👤 Edwin A Link
  • 👤 Lowkrantz Gunne
  • 👤 Karl A Kail

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:47
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/34; B63C11/36; B63C11/42; B63C11/48

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

GB445699A Cited
US2330674A Cited
US2433971A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-12-06 1964-06-06 1964-12-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-12-06 1968-06-06 1968-12-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-12-06 1972-06-06 1972-12-06 $7700.00 Window Closed / Lapsed

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