Patent US2247499A successfully refreshed from Google Patents.
US2247499A
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Assignee: Eastman Kodak Co
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Filing: 1939-11-28
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Granted: 1941-07-01
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Expires: 1959-11-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Miller R Hutchison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:12
CPC Classifications
F; F16; F16B; F16B35/00; F16B35/04; F16B35/06; B; B25; B25B; B25B13/00; B25B13/02; B25B13/06; B25B13/065; B25B23/00; B25B23/02; B25B23/04; B25B23/06; B25B23/065; B25B23/08; B25B23/10; B25B23/14; B25B23/142; F16B27/00; F16B35/041; F16B35/044; G; G04; G04D; G04D1/00; G04D1/0007; G04D1/0028; G04D1/0078; F16B23/00; F16B31/00; F16B31/02; F16B31/021; Y; Y10; Y10S; Y10S206/00; Y10S206/82; Y10S403/00; Y10S403/02; Y10S411/00; Y10S411/919; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/4979; Y10T29/53; Y10T29/53687
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) | 1944-06-30 | 1944-12-30 | 1945-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-06-30 | 1948-12-30 | 1949-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-06-30 | 1952-12-30 | 1953-07-01 | $7700.00 | Window Closed / Lapsed |