CA963298A - Musical keyboard - Google Patents

Musical keyboard

Info

Publication number
CA963298A
CA963298A CA159,424A CA159424A CA963298A CA 963298 A CA963298 A CA 963298A CA 159424 A CA159424 A CA 159424A CA 963298 A CA963298 A CA 963298A
Authority
CA
Canada
Prior art keywords
musical keyboard
musical
keyboard
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
CA159,424A
Inventor
Harold B. Martin
Herman O. Rogg
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.)
GRABER-ROGG Inc
Original Assignee
GRABER-ROGG Inc
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 GRABER-ROGG Inc filed Critical GRABER-ROGG Inc
Application granted granted Critical
Publication of CA963298A publication Critical patent/CA963298A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10B—ORGANS, HARMONIUMS OR SIMILAR WIND MUSICAL INSTRUMENTS WITH ASSOCIATED BLOWING APPARATUS
    • G10B1/00—General design of organs, harmoniums or similar wind musical instruments with associated blowing apparatus
    • G10B1/08—General design of organs, harmoniums or similar wind musical instruments with associated blowing apparatus of harmoniums, i.e. reed organs
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00—Details or accessories
    • G10C3/12—Keyboards; Keys
CA159,424A 1972-01-20 1972-12-19 Musical keyboard Expired CA963298A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21940972A 1972-01-20 1972-01-20

Publications (1)

Publication Number Publication Date
CA963298A true CA963298A (en) 1975-02-25

Family

ID=22819156

Family Applications (1)

Application Number Title Priority Date Filing Date
CA159,424A Expired CA963298A (en) 1972-01-20 1972-12-19 Musical keyboard

Country Status (5)

Country Link
US (1) US3745874A (en)
CA (1) CA963298A (en)
DE (1) DE2253314A1 (en)
IL (1) IL40657A (en)
IT (1) IT970070B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3965791A (en) * 1974-06-19 1976-06-29 The Wurlitzer Company Stop tablet assembly
US4205583A (en) * 1977-12-12 1980-06-03 Cbs Inc. Keyboard construction for pianos
US4240321A (en) * 1979-06-01 1980-12-23 Proll Molding Company Keyboard assembly for toy musical instruments
US4500756A (en) * 1982-03-19 1985-02-19 Pratt-Read Corporation Keyboard switch having a deformable membrane formed of cellular urethane

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764907A (en) * 1956-10-02 Key mounting for accordions
US3087368A (en) * 1960-07-14 1963-04-30 Pratt Read & Co Keyboard chassis assembly
US3663738A (en) * 1969-08-07 1972-05-16 Nippon Musical Instruments Mfg Key supporting structure of keyboard musical instruments
US3665092A (en) * 1970-09-18 1972-05-23 Proll Products Co Mechanically balanced keyboard and reed chamber assembly for musical instruments

Also Published As

Publication number Publication date
IL40657A (en) 1975-04-25
DE2253314A1 (en) 1973-07-26
US3745874A (en) 1973-07-17
IL40657A0 (en) 1972-12-29
IT970070B (en) 1974-04-10

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