Patent US2208619A successfully refreshed from Google Patents.
US2208619A
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Assignee: EIDP Inc
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Filing: 1937-08-14
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Granted: 1940-07-23
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Expires: 1957-08-14
Abstract
No abstract record available.
Inventors
- 👤 Armor Horace Francis
- 👤 Beck Peter Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:22
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/102; C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J7/30; D; D06; D06M; D06M15/00; D06M15/693; C01; C01P; C01P2004/00; C01P2004/50; C01P2004/60; C01P2004/61; C01P2006/00; C01P2006/19; C01P2006/60; C01P2006/90; Y; Y10; Y10S; Y10S277/00; Y10S277/921; Y10S277/922; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/31833; Y10T428/31837; Y10T442/00; Y10T442/20; Y10T442/2738
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-07-23 | 1944-01-22 | 1944-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-23 | 1948-01-22 | 1948-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-23 | 1952-01-22 | 1952-07-23 | $7700.00 | Window Closed / Lapsed |