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US3415648A Expired / Lapsed US ⏱️ 0.0 years remaining

Pva etch masking process

Assignee: Lanteris Space LLC
•
Filing: 1964-08-07
•
Granted: 1968-12-10
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Expires: 1984-08-07
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Abstract

No abstract record available.

Inventors

  • 👤 Anthony J Certa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 04:03
CPC Classifications
H; H10; H10P; H10P95/00; C; C23; C23F; C23F1/00; C23F1/02; G; G03; G03F; G03F7/00; G03F7/004; G03F7/04; G03F7/20; G03F7/2022; G03F7/2024; H10W; H10W74/00; H10W74/40; H10W74/47; H10P14/00; H10P14/60; H10P14/63; H10P14/6326; H10P14/6342; H10P14/65; H10P14/6502; H10P14/6506; H10P14/68; H10P14/683

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1840529A Cited
US2827391A Cited
US3230088A Cited
US3255005A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-12-10 1972-06-10 1972-12-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-12-10 1976-06-10 1976-12-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-12-10 1980-06-10 1980-12-10 $7700.00 Window Closed / Lapsed

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