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US3390044A Expired / Lapsed US ⏱️ 0.0 years remaining

Artifical grass mat

Assignee: Obi Inc
•
Filing: 1967-06-02
•
Granted: 1968-06-25
•
Expires: 1987-06-02
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Abstract

No abstract record available.

Inventors

  • 👤 Malakoff Irving

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 16:21
CPC Classifications
E; E01; E01C; E01C13/00; E01C13/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49947; Y10T428/00; Y10T428/17; Y10T428/24; Y10T428/24273

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1003895A Cited
US1939846A Cited
US2015889A Cited
GB580646A Cited
US2737702A Cited
US2748516A Cited
US2814159A Cited
US2979844A Cited
US3154884A Cited
US3157557A Cited
US3110647A Cited
US3181219A Cited
US3332828A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-06-25 1971-12-25 1972-06-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-06-25 1975-12-25 1976-06-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-06-25 1979-12-25 1980-06-25 $7700.00 Window Closed / Lapsed

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