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US3012377A Expired / Lapsed US ⏱️ 0.0 years remaining

Interengaging wall units

Assignee: JAMES HAIG Inc
•
Filing: 1958-02-18
•
Granted: 1961-12-12
•
Expires: 1978-02-18
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Abstract

No abstract record available.

Inventors

  • 👤 Sunukjian Haig

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 17:59
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/04; E04B2/06; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/20; E04G21/206; E04G21/207; E04B2002/0202; E04B2002/0204; E04B2002/0206; E04B2002/0256; E04B2002/0263; E04B2002/028; E04B2002/0284

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US468838A Cited
US547159A Cited
US1282090A Cited
US683233A Cited
US1043348A Cited
US1434612A Cited
US1432222A Cited
US1667160A Cited
US1852715A Cited
GB562154A Cited
FR897236A Cited
US2462644A Cited
US2580929A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-12-11 1965-06-12 1965-12-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-12-11 1969-06-12 1969-12-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-12-11 1973-06-12 1973-12-12 $7700.00 Window Closed / Lapsed

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