Patent US2554045A successfully refreshed from Google Patents.
US2554045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring supported hobbyhorse
Assignee: Individual
•
Filing: 1949-02-18
•
Granted: 1951-05-22
•
Expires: 1969-02-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Leo L Minor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:29
CPC Classifications
A; A63; A63G; A63G13/00; A63G13/06; A63G13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US542850A
Cited
US1664129A
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US1761253A
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US1755619A
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US2092787A
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US2218333A
Cited
US2277875A
Cited
US2244447A
Cited
US2325496A
Cited
US2469263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |