Patent US2478070A successfully refreshed from Google Patents.
US2478070A
Expired / Lapsed
US
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Developing inks
Assignee: Harris Corp
•
Filing: 1945-03-10
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Granted: 1949-08-02
•
Expires: 1965-03-10
Abstract
No abstract record available.
Inventors
- 👤 William H Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:18
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/26; G03F7/265; Y; Y10; Y10S; Y10S430/00; Y10S430/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE99228C
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GB189421607A
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US2257595A
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US2284279A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |