Patent US2922593A successfully refreshed from Google Patents.
US2922593A
Expired / Lapsed
US
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Reel structure
Assignee: United Engineering and Foundry Co
•
Filing: 1955-05-31
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Granted: 1960-01-26
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Expires: 1975-05-31
Abstract
No abstract record available.
Inventors
- 👤 Joseph I Greenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:04
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; B65H75/242; B65H75/248; B65H75/2484; B29; B29C; B29C33/00; B29C33/44; B29C33/48; B29C33/485; E; E21; E21B; E21B43/00; E21B43/02; E21B43/10; E21B43/103; E21B43/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1675489A
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US1977668A
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US2285826A
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US2345246A
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US2566629A
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US2478447A
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US2586376A
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US2675240A
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US2717128A
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US2755031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |