Patent US3477140A successfully refreshed from Google Patents.
US3477140A
Expired / Lapsed
US
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Sound reproducing means and linking sound carrier means toy combination
Assignee: Mattel Inc
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Filing: 1967-02-23
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Granted: 1969-11-11
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Expires: 1987-02-23
Abstract
No abstract record available.
Inventors
- 👤 John W Ryan
- 👤 Eugene J Echterling
- 👤 Michael E Golden
- 👤 John H Goetz
- 👤 Richard Shih-Teng Chang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:21
CPC Classifications
G; G09; G09B; G09B5/00; G09B5/06; G09B5/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2548011A
Cited
US2822425A
Cited
US3087259A
Cited
US3325916A
Cited
US3383114A
Cited
US3391476A
Cited
US3397467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |