US3543240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light pen operating with remote graphic display
Assignee: RCA Corp
•
Filing: 1968-05-06
•
Granted: 1970-11-24
•
Expires: 1988-05-06
Abstract
No abstract record available.
Inventors
- 👤 James C Miller
- 👤 Charles M Wine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:25
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/048; G06F3/0484; G06F3/04845
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3346853A
Cited
US3396377A
Cited
US3399401A
Cited
US3337860A
Cited
US3402395A
Cited
US3382487A
Cited
US3413515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |