Patent US3529479A successfully refreshed from Google Patents.
US3529479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear train and clutch for a self-propelled toy
Assignee: Mattel Inc
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Filing: 1969-08-22
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Granted: 1970-09-22
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Expires: 1989-08-22
Abstract
No abstract record available.
Inventors
- 👤 John W Ryan
- 👤 Robert A Macmeekin
- 👤 Daniel H Meggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:15
CPC Classifications
A; A63; A63H; A63H17/00; A63H17/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3061972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |