US3146658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable piano
Assignee: Individual
•
Filing: 1962-11-20
•
Granted: 1964-09-01
•
Expires: 1982-11-20
Abstract
No abstract record available.
Inventors
- 👤 Gaylord G Mandy
- 👤 Rudy E Gietl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:06
CPC Classifications
G; G10; G10C; G10C1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A PIANO, A CASE, A SECTIONAL KEYBOARD INCLUDING A CENTRAL SECTION AND HINGEDLY ATTACHED END SECTIONS, MEANS FOR HOLDING SAID END SECTIONS IN POSITION TO FORM PLANAR EXTENSIONS OF SAID CENTRAL SECTION, THE OVER-ALL LENGTH OF SAID KEYBOARD EXCEEDING THAT OF THE CASE WITH THE END SECTIONS EXTENDED, SAID END SECTIONS BEING SUFFICIENTLY LONG AND BEING SWINGABLE TOWARD SAID CENTRAL SECTION TO REDUCE THE OVER-ALL LENGTH OF THE KEYBOARD AND THEREBY PERMIT THE SAME TO BE RECEIVED IN SAID CASE, AND MEANS MOUNTING SAID CENTRAL SECTION IN SAID CASE.
Claim 2
Dependent Claim
90 words
IN A PIANO, A CASE, A SECTIONAL KEYBOARD INCLUDING A CENTRAL SECTION AND HINGEDLY ATTACHED END SECTIONS, MEANS FOR HOLDING SAID END SECTIONS IN POSITION TO FORM PLANAR EXTENSIONS OF SAID CENTRAL SECTION, THE OVER-ALL LENGTH OF SAID KEYBOARD EXCEEDING THAT OF THE CASE WITH THE END SECTIONS EXTENDED, SAID END SECTIONS BEING SUFFICIENTLY LONG AND BEING SWINGABLE TOWARD SAID CENTRAL SECTION TO REDUCE THE OVER-ALL LENGTH OF THE KEYBOARD AND THEREBY PERMIT THE SAME TO BE RECEIVED IN SAID CASE, AND MEANS MOUNTING SAID CENTRAL SECTION IN SAID CASE.
References Cited (Backward Citations)
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Cited
US426332A
Cited
US878926A
Cited
GB446351A
Cited
US2470674A
Cited
US2532070A
Cited
US2487420A
Cited
US2947210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |