Patent US4313176A successfully refreshed from Google Patents.
Patent US3544190A successfully refreshed from Google Patents.
US3544190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lens strip optical scanning system
Assignee: Xerox Corp
•
Filing: 1968-11-29
•
Granted: 1970-12-01
•
Expires: 1988-11-29
Abstract
No abstract record available.
Inventors
- 👤 Robert W Moorhusen
- 👤 David C Harper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:47
CPC Classifications
G; G02; G02B; G02B3/00; G02B3/0006; G02B3/0037; G02B3/0062; G02B3/005; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/522; G03B27/525; G03B27/526; G03B27/527; G02B3/0012; G02B3/0031; G02B3/0068
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1605016A
Cited
US2536718A
Cited
US3085473A
Cited
US3096512A
Cited
US3241438A
Cited
US3313940A
Cited
US3330908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |