Patent US2561743A successfully refreshed from Google Patents.
US2561743A
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US
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Bell attachment for skates
Assignee: HENRY A BARBER
•
Filing: 1947-06-06
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Granted: 1951-07-24
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Expires: 1967-06-06
Abstract
No abstract record available.
Inventors
- 👤 Kusnarowis Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:32
CPC Classifications
A; A63; A63H; A63H33/00; A63C; A63C17/00; A63C17/26; A63C3/00; A63C2203/00; A63C2203/14; Y; Y10; Y10S; Y10S273/00; Y10S273/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US320100A
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US575710A
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DE265566C
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US629312A
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US796412A
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US1404894A
Cited
US1601298A
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US1711096A
Cited
US1949594A
Cited
FR831824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |