US2739243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite photosensitive screens
Assignee: Individual
•
Filing: 1953-01-08
•
Granted: 1956-03-20
•
Expires: 1973-01-08
Abstract
No abstract record available.
Inventors
- 👤 Sheldon Edward Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:41
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/38; H01J29/385
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A COMPOSITE DEVICE COMPRISING IN COMBINATION A LAYER IMPERVIOUS TO LUMINESCENT LIGHT, LUMINESCENT MEANS ADJACENT AND FACING SAID LIGHT IMPERVIOUS LAYER AND HAVING SAID LIGHT IMPERVIOUS LAYER DISPOSED PARALLEL TO SAID LUMINESCENT MEANS, LUMINESCENT LIGHT TRANSPARENT MEANS HAVING AN ELECTRICALY CONDUCTING MATERIAL, SAID LIGHT TRANSPARENT MEANS BEING ADJACENT TO SAID LUMINESCENT MEANS AND FACING SAID LUMINESCENT MEANS, AND A PHOTOSENSITIVE MEMBER FACING SAID LIGHT TRANSPARENT MEANS.
Claim 2
Dependent Claim
66 words
A COMPOSITE DEVICE COMPRISING IN COMBINATION A LAYER IMPERVIOUS TO LUMINESCENT LIGHT, LUMINESCENT MEANS ADJACENT AND FACING SAID LIGHT IMPERVIOUS LAYER AND HAVING SAID LIGHT IMPERVIOUS LAYER DISPOSED PARALLEL TO SAID LUMINESCENT MEANS, LUMINESCENT LIGHT TRANSPARENT MEANS HAVING AN ELECTRICALY CONDUCTING MATERIAL, SAID LIGHT TRANSPARENT MEANS BEING ADJACENT TO SAID LUMINESCENT MEANS AND FACING SAID LUMINESCENT MEANS, AND A PHOTOSENSITIVE MEMBER FACING SAID LIGHT TRANSPARENT MEANS.
References Cited (Backward Citations)
USRE22076E
Cited
US2151496A
Cited
US2337569A
Cited
US2269129A
Cited
US2407462A
Cited
US2476619A
Cited
US2603757A
Cited
US2637535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |