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Patent US2569942A successfully refreshed from Google Patents.
US2569942A
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Combination storm and screen unit
Assignee: F C RUSSELL Co
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Filing: 1946-04-20
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Granted: 1951-10-02
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Expires: 1966-04-20
Abstract
No abstract record available.
Inventors
- 👤 Leland T Milnor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:10
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1629264A
Cited
US2056024A
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US2156964A
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US2292273A
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US2324139A
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US2290808A
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US2321554A
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US2381147A
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US2357119A
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US2467511A
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US2463432A
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US2427915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |