US2561743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bell attachment for skates
Assignee: HENRY A BARBER
•
Filing: 1947-06-06
•
Granted: 1951-07-24
•
Expires: 1967-06-06
Abstract
No abstract record available.
Inventors
- 👤 Kusnarowis Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:56
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US320100A
Cited
US575710A
Cited
DE265566C
Cited
US629312A
Cited
US796412A
Cited
US1404894A
Cited
US1601298A
Cited
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 |