Patent US2451020A successfully refreshed from Google Patents.
US2451020A
Expired / Lapsed
US
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Easel bracket
Assignee: Individual
•
Filing: 1945-07-11
•
Granted: 1948-10-12
•
Expires: 1965-07-11
Abstract
No abstract record available.
Inventors
- 👤 Davis Orrie Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:37
CPC Classifications
E; E06; E06C; E06C1/00; E06C1/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190015538A
Cited
US804895A
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US802861A
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US889795A
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US1259896A
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US1578529A
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US1477738A
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US1487336A
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US1601652A
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US1943626A
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US2051060A
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US2015378A
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US2202798A
Cited
US2329643A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-12 | 1952-04-12 | 1952-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-12 | 1956-04-12 | 1956-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-12 | 1960-04-12 | 1960-10-12 | $7700.00 | Window Closed / Lapsed |