Patent US2759189A successfully refreshed from Google Patents.
US2759189A
Expired / Lapsed
US
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Knee pad
Assignee: Individual
•
Filing: 1954-06-08
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Granted: 1956-08-21
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Expires: 1974-06-08
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:48
CPC Classifications
A; A41; A41D; A41D13/00; A41D13/05; A41D13/055; A41D13/0556; A41D13/0568; A41D13/06; A41D13/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1372790A
Cited
US1434808A
Cited
US1486308A
Cited
US1785213A
Cited
GB522718A
Cited
US2626394A
Cited
US2553612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |