US3551320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Imaging apparatus
Assignee: Xerox Corp
•
Filing: 1968-11-01
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Granted: 1970-12-29
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Expires: 1988-11-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Krieger
- 👤 Ira S Stein
- 👤 Vesvolod Tulagin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:29
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/28; C07D213/30; C07D213/44; C07D213/46; C07D213/50; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D311/00; C07D311/02; C07D311/04; C07D311/22; C07D311/26; C07D311/34; C07D311/38; C07D311/58; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/14; C07D333/20; C07D335/00; C07D335/04; C07D335/06; G; G03; G03G; G03G17/00; G03G17/04; G03G5/00; G03G5/12
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) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |