CA944733A - Vacuumizing apparatus - Google Patents

Vacuumizing apparatus

Info

Publication number
CA944733A
CA944733A CA168,758A CA168758A CA944733A CA 944733 A CA944733 A CA 944733A CA 168758 A CA168758 A CA 168758A CA 944733 A CA944733 A CA 944733A
Authority
CA
Canada
Prior art keywords
vacuumizing apparatus
vacuumizing
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
CA168,758A
Other versions
CA168758S (en
Inventor
John T. Roberts
Philip L. Reid
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.)
WR Grace and Co
Original Assignee
WR Grace and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CA091238A external-priority patent/CA929908A/en
Application filed by WR Grace and Co filed Critical WR Grace and Co
Priority to CA168,758A priority Critical patent/CA944733A/en
Application granted granted Critical
Publication of CA944733A publication Critical patent/CA944733A/en
Expired legal-status Critical Current

Links

CA168,758A 1970-02-09 1973-04-16 Vacuumizing apparatus Expired CA944733A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA168,758A CA944733A (en) 1970-02-09 1973-04-16 Vacuumizing apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US986870A 1970-02-09 1970-02-09
CA091238A CA929908A (en) 1970-02-09 1970-08-20 Vacuumizing and clipping system
CA168,758A CA944733A (en) 1970-02-09 1973-04-16 Vacuumizing apparatus

Publications (1)

Publication Number Publication Date
CA944733A true CA944733A (en) 1974-04-02

Family

ID=27160767

Family Applications (1)

Application Number Title Priority Date Filing Date
CA168,758A Expired CA944733A (en) 1970-02-09 1973-04-16 Vacuumizing apparatus

Country Status (1)

Country Link
CA (1) CA944733A (en)

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