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US3386963A Expired / Lapsed US ⏱️ 0.0 years remaining

Isocyanate-terminated polysulfide polymers

Assignee: ATK Launch Systems LLC
•
Filing: 1967-01-19
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Granted: 1968-06-04
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Expires: 1987-01-19
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Abstract

No abstract record available.

Inventors

  • 👤 Anthony F Santaniello

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 10:33
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/64; C08G18/6453

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2789958A Cited
US2929794A Cited
FR1285748A Cited
US3169119A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-06-04 1971-12-04 1972-06-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-06-04 1975-12-04 1976-06-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-06-04 1979-12-04 1980-06-04 $7700.00 Window Closed / Lapsed

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