US3276393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trackage for miniature automobiles and the like
Assignee: ROLL ON ROADWAYS Inc
•
Filing: 1963-08-05
•
Granted: 1966-10-04
•
Expires: 1983-08-05
Abstract
No abstract record available.
Inventors
- 👤 Gerald F Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:00
CPC Classifications
A; A63; A63H; A63H18/00; A63H18/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA550219A
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US2899910A
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US2562623A
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US2631853A
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FR1078586A
Cited
GB764151A
Cited
GB804622A
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US3048124A
Cited
US2913997A
Cited
US3206122A
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US3163123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |