US3302954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound device for roller skates
Assignee: TOY DEV CT Inc
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Filing: 1964-09-30
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Granted: 1967-02-07
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Expires: 1984-09-30
Abstract
No abstract record available.
Inventors
- 👤 Charles A Elwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:04
CPC Classifications
A; A63; A63H; A63H5/00; A63C; A63C17/00; A63C17/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A ROLLER SKATE, A ROLLER ROTATABLY MOUNTED ON A NON-ROTATABLE PORTION OF SAID SKATE, SAID ROLLER HAVING A CENTRAL RECESS THEREIN, A DIAPHRAGM EXTENDING ACROSS AND COVERING SAID RECESS, SAID DIAPHRAGM BEING CONNECTED TO SAID ROLLER FOR ROTATION THEREWITH, A STYLUS CONNECTED TO SAID DIAPHRAGM FOR ROTATION WITH SAID WHEEL, AND A NONROTATABLE MEMBER CONNECTED TO SAID NON-ROTATABLE PORTION, SAID MEMBER HAVING A ROUGHENED SURFACE, A POTION OF SAID STYLUS BEING ENGAGED WITH SAID ROUGHENED SURFACE WHEREBY SAID STYLUS MOVES ACROSS SAID ROUGHENED SURFACE TO CAUSE SOUND-PRODUCING OSCILLATIONS OF SAID DIAPHRAGM UPON ROTATION OF SAID ROLLER.
Claim 2
Dependent Claim
97 words
IN A ROLLER SKATE, A ROLLER ROTATABLY MOUNTED ON A NON-ROTATABLE PORTION OF SAID SKATE, SAID ROLLER HAVING A CENTRAL RECESS THEREIN, A DIAPHRAGM EXTENDING ACROSS AND COVERING SAID RECESS, SAID DIAPHRAGM BEING CONNECTED TO SAID ROLLER FOR ROTATION THEREWITH, A STYLUS CONNECTED TO SAID DIAPHRAGM FOR ROTATION WITH SAID WHEEL, AND A NONROTATABLE MEMBER CONNECTED TO SAID NON-ROTATABLE PORTION, SAID MEMBER HAVING A ROUGHENED SURFACE, A POTION OF SAID STYLUS BEING ENGAGED WITH SAID ROUGHENED SURFACE WHEREBY SAID STYLUS MOVES ACROSS SAID ROUGHENED SURFACE TO CAUSE SOUND-PRODUCING OSCILLATIONS OF SAID DIAPHRAGM UPON ROTATION OF SAID ROLLER.
References Cited (Backward Citations)
US616458A
Cited
US1790423A
Cited
US1775895A
Cited
US2561743A
Cited
US2603035A
Cited
US2837376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |