US3403283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable transmission system cathode ray tube
Assignee: STEPHEN LANE KURTIN
•
Filing: 1966-03-11
•
Granted: 1968-09-24
•
Expires: 1986-03-11
Abstract
No abstract record available.
Inventors
- 👤 Chernow Fred
- 👤 Kurtin Stephen Lane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:44
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/12; G; G02; G02F; G02F1/00; G02F1/01; G02F1/03; G02F1/0333
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2276359A
Cited
US2445774A
Cited
US3001098A
Cited
US3253497A
Cited
US3202759A
Cited
US3218390A
Cited
US3277241A
Cited
US3286027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |