CA7322A - Improvements on lenses - Google Patents

Improvements on lenses

Info

Publication number: CA7322A
Authority: CA; Canada
Prior art keywords: lenses
Prior art date: 1877-04-11
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

CA000007322A

Other languages

French (fr)

Inventor

Charles F. Houghton

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

1877-04-11

1877-04-11 Application granted granted Critical

1877-04-11 Publication of CA7322A publication Critical patent/CA7322A/en

Status Expired legal-status Critical Current

Links

CA000007322A Improvements on lenses Expired CA7322A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA7322T

Publications (1)

Publication Number	Publication Date
CA7322A true CA7322A (en)	1877-04-11

Family

ID=45123871

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000007322A Expired CA7322A (en)			Improvements on lenses

Country Status (1)

Country	Link
CA (1)	CA7322A (en)

0
- CA CA000007322A patent/CA7322A/en not_active Expired

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