US3457422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical system adapted for rotation of an image to be scanned with reference to a scanning path
Assignee: International Business Machines Corp
•
Filing: 1967-02-21
•
Granted: 1969-07-22
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Expires: 1987-02-21
Abstract
No abstract record available.
Inventors
- 👤 Hans R Rottmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:51
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/02; G01; G01B; G01B11/00; G01B11/002; G01B11/005; G03; G03F; G03F9/00; G03F9/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2696565A
Cited
US2859653A
Cited
US3029348A
Cited
US3216311A
Cited
US3207904A
Cited
US3345120A
Cited
US3350156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |