Patent US2559280A successfully refreshed from Google Patents.
US2559280A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1946-08-07
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Granted: 1951-07-03
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Expires: 1966-08-07
Abstract
No abstract record available.
Inventors
- 👤 Henry C Cochran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:39
CPC Classifications
B; B25; B25H; B25H7/00; B25H7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US335845A
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US390658A
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US787893A
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US794170A
Cited
US912052A
Cited
US1183977A
Cited
US1274647A
Cited
US1280379A
Cited
US1386152A
Cited
US1543093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |