US2557523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card holder
Assignee: Individual
•
Filing: 1946-03-22
•
Granted: 1951-06-19
•
Expires: 1966-03-22
Abstract
No abstract record available.
Inventors
- 👤 Bertram A Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:30
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB162905A
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US1488152A
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GB308106A
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GB345441A
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US1907675A
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US1997717A
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US2097948A
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US2166714A
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US2322654A
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US2151465A
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US2289118A
Cited
US2176292A
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US2321952A
Cited
US2296272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |