CA7789A - Improvements on electric telephony - Google Patents

Improvements on electric telephony

Info

Publication number: CA7789A
Authority: CA; Canada
Prior art keywords: telephony; electric; electric telephony
Prior art date: 1877-08-22
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

CA000007789A

Other languages

French (fr)

Inventor

Alexander G. Bell

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

1877-08-22

1877-08-22 Application granted granted Critical

1877-08-22 Publication of CA7789A publication Critical patent/CA7789A/en

Status Expired legal-status Critical Current

Links

CA000007789A Improvements on electric telephony Expired CA7789A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA7789T

Publications (1)

Publication Number	Publication Date
CA7789A true CA7789A (en)	1877-08-22

Family

ID=45124337

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000007789A Expired CA7789A (en)			Improvements on electric telephony

Country Status (1)

Country	Link
CA (1)	CA7789A (en)

0
- CA CA000007789A patent/CA7789A/en not_active Expired

Similar Documents

Publication	Publication Date	Title
CA7789A (en)	1877-08-22	Improvements on electric telephony
CA7572A (en)	1877-06-23	Improvements on electric motors
CA7499A (en)	1877-06-01	Improvements on metallic brushes
CA7318A (en)	1877-04-09	Improvements on tape-line measures
CA7013A (en)	1877-01-24	Improvements on brushes
CA7160A (en)	1877-03-01	Improvements on churs
CA7254A (en)	1877-03-23	Improvements on cuspadores
CA7327A (en)	1877-04-11	Improvements on gang-ploughs
CA7385A (en)	1877-04-26	Improvements on carburetters
CA7609A (en)	1877-07-05	Improvements on umbrelas
CA8038A (en)	1877-10-26	Improvements on waggon-trestles
CA8120A (en)	1877-11-17	Improvements on vacuum-brakes
CA8152A (en)	1877-11-27	Improvements on toy-pistols
CA8228A (en)	1877-12-18	Improvements on feed-cutters
CA8231A (en)	1877-12-18	Improvements on feed-cookers
CA8267A (en)	1877-12-26	Improvements on root-cutters
CA8269A (en)	1877-12-26	Improvements on book-cases
CA79183A (en)	1903-01-27	Insulator
CA7149A (en)	1877-03-01	Improvements on show cases
CA7951A (en)	1877-09-27	Improvements on telegraph alarm-boxes
CA8026A (en)	1877-10-17	Improvements on speaking telegraphs
CA7073A (en)	1877-02-13	Improvements on pumps
CA7351A (en)	1877-04-14	Improvements on pumps
CA7608A (en)	1877-07-05	Improvements on pumps
CA7623A (en)	1877-07-16	Straw-cuitter