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US2997222A
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Assignee: COLOR PROCESS CO Inc
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Filing: 1959-07-30
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Granted: 1961-08-22
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Expires: 1979-07-30
Abstract
No abstract record available.
Inventors
- 👤 Herbert O Sperry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:14
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/10; A47F5/11; A47F5/112
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US628542A
Cited
US2005278A
Cited
US2105953A
Cited
US2229257A
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US2592678A
Cited
US2858059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |