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US4219333B1 Expired / Lapsed US ⏱️ 0.0 years remaining

US4219333B1 - - Google Patents

Assignee: —
•
Filing: 1978-07-03
•
Granted: 1984-02-28
•
Expires: 1998-07-03
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 10:29
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/0043; C11D3/00; C11D3/0005; C11D3/0031; C11D3/0052

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-02-27 1987-08-29 1988-02-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-02-27 1991-08-29 1992-02-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-02-27 1995-08-29 1996-02-28 $7700.00 Window Closed / Lapsed

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