Patent US2639499A successfully refreshed from Google Patents.
US2639499A
Expired / Lapsed
US
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Garment hanger hook attaching device
Assignee: Waldorf Paper Products Co
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Filing: 1949-05-25
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Granted: 1953-05-26
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Expires: 1969-05-25
Abstract
No abstract record available.
Inventors
- 👤 John H Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:23
CPC Classifications
A; A47; A47G; A47G25/00; A47G25/14; A47G25/28; A47G25/36; A47G25/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US491282A
Cited
US823031A
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US1268844A
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US1967132A
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US1820163A
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US1922608A
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US1893645A
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US2011105A
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US2210360A
Cited
US2378171A
Cited
US2405934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |