US2928672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stack weight
Assignee: Eastman Kodak Co
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Filing: 1957-02-18
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Granted: 1960-03-15
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Expires: 1977-02-18
Abstract
No abstract record available.
Inventors
- 👤 Ray C Johnson
- 👤 Paul H Kreikenbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:54
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/10; B; B65; B65H; B65H1/00; B65H1/04; B65H1/06; B65H1/08; B65H1/10; G03; G03B; G03B17/00; G03B17/28; G03B17/32; G03B17/34; G03B23/00; G03B23/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |