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US2935369A Expired / Lapsed US ⏱️ 0.0 years remaining

Record sustaining structures and methods for manufacturing same

Assignee: Arthur D Little Inc
•
Filing: 1956-08-23
•
Granted: 1960-05-03
•
Expires: 1976-08-23
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Abstract

No abstract record available.

Inventors

  • 👤 Albert E Mignone
  • 👤 Robert C Wells

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 04:18
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US748918A Cited
US1234852A Cited
US1621749A Cited
US2143723A Cited
US2234237A Cited
US2423476A Cited
US2562770A Cited
US2687361A Cited
US2665229A Cited
US2833677A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-05-03 1963-11-02 1964-05-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-05-03 1967-11-02 1968-05-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-05-03 1971-11-02 1972-05-03 $7700.00 Window Closed / Lapsed

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