IP Library › Patent Application 60377091
Patent Application Provisional Small
App. No. 60/377,091 · Confirmation No. 8599

A-frame manhole frame & cover

Inventor: Arthur A. Schrage
Provisional Application Expired
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 Code Description Pages PDF
2002-05-02 TRNA Transmittal of New Application 1 View
2002-05-02 SPEC Specification 2 View
2002-05-02 CLM Claims 1 View
2002-05-02 DRW Drawings-only black and white line drawings 8 View
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Quick Facts
App. No.
60/377,091
Filed
2002-05-02