CA399615A - Photographic film - Google Patents

Photographic film

Info

Publication number: CA399615A
Authority: CA; Canada
Prior art keywords: photographic film; photographic; film
Prior art date: 1938-12-23
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

CA399615A

Other languages

French (fr)

Inventor

Hume Carothers Wallace

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.)

PPG Architectural Coatings Canada Inc

Original Assignee

Canadian Industries Ltd

Filing date

1938-12-23

Publication date

1941-09-30

1938-12-23 Application filed by Canadian Industries Ltd filed Critical Canadian Industries Ltd

1941-09-30 Application granted granted Critical

1941-09-30 Publication of CA399615A publication Critical patent/CA399615A/en

Status Expired legal-status Critical Current

Links

CA399615A 1938-12-23 Photographic film Expired CA399615A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA399615T

Publications (1)

Publication Number	Publication Date
CA399615A true CA399615A (en)	1941-09-30

Family

ID=35414898

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA399615A Expired CA399615A (en)		1938-12-23	Photographic film

Country Status (1)

Country	Link
CA (1)	CA399615A (en)

1938
- 1938-12-23 CA CA399615A patent/CA399615A/en not_active Expired

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