Patent US2601509A successfully refreshed from Google Patents.
US2601509A
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US
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Assignee: Individual
•
Filing: 1947-01-15
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Granted: 1952-06-24
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Expires: 1967-01-15
Abstract
No abstract record available.
Inventors
- 👤 Frederick F Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:17
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/14; A43B7/1405; A43B7/1415; A43B7/142; A43B5/00; A43B5/10; A43B7/144; A43B7/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1607837A
Cited
US1571106A
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US1728219A
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US1728243A
Cited
US1701839A
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US1720120A
Cited
US2109706A
Cited
US2109324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |