Patent US2770290A successfully refreshed from Google Patents.
US2770290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hobby horse
Assignee: Individual
•
Filing: 1953-11-10
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Granted: 1956-11-13
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Expires: 1973-11-10
Abstract
No abstract record available.
Inventors
- 👤 William F Wittle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:48
CPC Classifications
A; A63; A63G; A63G13/00; A63G13/06; A63G13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US153647A
Cited
US265266A
Cited
US1730557A
Cited
GB416515A
Cited
US2437015A
Cited
US2478091A
Cited
US2544106A
Cited
US2554045A
Cited
US2624579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |