Patent US2533277A successfully refreshed from Google Patents.
US2533277A
Expired / Lapsed
US
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Roller skate construction
Assignee: GEORGE K GARRETT Co Inc
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Filing: 1946-02-07
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Granted: 1950-12-12
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Expires: 1966-02-07
Abstract
No abstract record available.
Inventors
- 👤 Harry R Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:48
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US508617A
Cited
US674728A
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US1061951A
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US1597213A
Cited
US1673405A
Cited
US1807890A
Cited
US2104536A
Cited
US2254450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |