Patent US2730366A successfully refreshed from Google Patents.
US2730366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Occupant propelled amusement device
Assignee: Individual
•
Filing: 1952-03-19
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Granted: 1956-01-10
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Expires: 1972-03-19
Abstract
No abstract record available.
Inventors
- 👤 Robert O Etherington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:24
CPC Classifications
A; A63; A63G; A63G1/00; A63G1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1643097A
Cited
US371386A
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US623667A
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US288018A
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US774757A
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US1142970A
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US1456228A
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US1601150A
Cited
US1580757A
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US1887410A
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US2457355A
Cited
US2515499A
Cited
US2514154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |