US3064622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Immersion development
Assignee: Xerox Corp
•
Filing: 1960-06-20
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Granted: 1962-11-20
•
Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 William B Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:27
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; G03G9/12; G03G15/00; G03G15/06; G03G15/10; G03G15/108; Y; Y10; Y10S; Y10S280/00; Y10S280/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB755846A
Cited
US2786439A
Cited
US2854947A
Cited
US3043684A
Cited
US2907674A
Cited
US2898279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |