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AIR BLOC

EXPIRED USPTO USPTO

No active United States Patent and Trademark Office (USPTO) registrations found, based on publicly available USPTO trademark records.

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USPTO Filing History

Key events recorded for this trademark application

1951-08-14 — Application filed
1972-07-08 — Registered and renewed (first renewal - 20 yrs)
1993-04-12 — Expired sec. 9
1993-04-12 — Final status recorded

Owner Information

INGERSOLL-RAND COMPANY, THE
PHILLIPSBURG , NJ

Filing Details

Filing Date:
1951-08-14

Status Date:
1993-04-12

Category:
Machines

Filing Year:
1951

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