Bracket type biogas gas-storage cover

Receptacles – Container attachment or adjunct – Handle – handle component – or handle adjunct

Reexamination Certificate

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Details

C220S752000, C220S762000, C220S754000, C220S765000

Reexamination Certificate

active

07975873

ABSTRACT:
A bracket type biogas storage cover includes a cover with an exhaust vent, characterized in that there are at least two brackets which are used to fix the cover to a biogas digester's opening on the lower edge of the cover.

REFERENCES:
patent: 3406859 (1968-10-01), Nachshen
patent: 4157146 (1979-06-01), Svenson
patent: 6595716 (2003-07-01), VanDeVyvere et al.
patent: 6880589 (2005-04-01), Camoli

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