CA233930A - Vacuum cover - Google Patents

Vacuum cover

Info

Publication number
CA233930A
CA233930A CA233930A CA233930DA CA233930A CA 233930 A CA233930 A CA 233930A CA 233930 A CA233930 A CA 233930A CA 233930D A CA233930D A CA 233930DA CA 233930 A CA233930 A CA 233930A
Authority
CA
Canada
Prior art keywords
vacuum cover
vacuum
cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA233930A
Other languages
French (fr)
Inventor
R. Crist Firman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA233930A publication Critical patent/CA233930A/en
Expired legal-status Critical Current

Links

CA233930A Vacuum cover Expired CA233930A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA233930T

Publications (1)

Publication Number Publication Date
CA233930A true CA233930A (en) 1923-09-04

Family

ID=35131304

Family Applications (1)

Application Number Title Priority Date Filing Date
CA233930A Expired CA233930A (en) Vacuum cover

Country Status (1)

Country Link
CA (1) CA233930A (en)

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