Patent US3502332A successfully refreshed from Google Patents.
US3502332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Raceway with obstacles for toy vehicles
Assignee: Individual
•
Filing: 1967-03-03
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Granted: 1970-03-24
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Expires: 1987-03-03
Abstract
No abstract record available.
Inventors
- 👤 Tobin Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:00
CPC Classifications
A; A63; A63H; A63H18/00; A63H18/02; A63H18/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US750545A
Cited
US812595A
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US1374844A
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US1449565A
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US1776640A
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US3045393A
Cited
US3233363A
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US3226121A
Cited
US3218757A
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US3402503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |