Patent US4996497A successfully refreshed from Google Patents.
Patent US2996646A successfully refreshed from Google Patents.
US2996646A
Expired / Lapsed
US
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Antistatic device
Assignee: Eastman Kodak Co
•
Filing: 1957-01-09
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Granted: 1961-08-15
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Expires: 1977-01-09
Abstract
No abstract record available.
Inventors
- 👤 Richard M Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:03
CPC Classifications
H; H05; H05F; H05F3/00; G; G03; G03B; G03B17/00; G03B17/28; G03B17/30; G03B17/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1988491A
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US2012223A
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US2372829A
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US2302126A
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US2267503A
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US2353462A
Cited
US2437362A
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US2467213A
Cited
US2584337A
Cited
US2860382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |