FR446748A - Improvements to butterflies used in stove pipes or others - Google Patents

Improvements to butterflies used in stove pipes or others

Info

Publication number
FR446748A
FR446748A FR446748DA FR446748A FR 446748 A FR446748 A FR 446748A FR 446748D A FR446748D A FR 446748DA FR 446748 A FR446748 A FR 446748A
Authority
FR
France
Prior art keywords
butterflies
stove pipes
stove
pipes
butterflies used
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
Other languages
French (fr)
Inventor
David Wilson Powers
Frederick Henry Tebbe
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
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
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR446748A publication Critical patent/FR446748A/en
Expired legal-status Critical Current

Links

FR446748D 1912-08-01 1912-08-01 Improvements to butterflies used in stove pipes or others Expired FR446748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR446748T 1912-08-01

Publications (1)

Publication Number Publication Date
FR446748A true FR446748A (en) 1912-12-13

Family

ID=43350858

Family Applications (1)

Application Number Title Priority Date Filing Date
FR446748D Expired FR446748A (en) 1912-08-01 1912-08-01 Improvements to butterflies used in stove pipes or others

Country Status (1)

Country Link
FR (1) FR446748A (en)

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