US3229142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wide band multichannel electron multiplier having improved path shielding and gain characteristics
Assignee: Individual
•
Filing: 1962-10-22
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Granted: 1966-01-11
•
Expires: 1982-10-22
Abstract
No abstract record available.
Inventors
- 👤 Kalibjian Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:31
CPC Classifications
H; H01; H01J; H01J43/00; H01J43/04; H01J43/06; H01J43/18; H01J43/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
IN A VENETIAN-BLIND DYNODE CHANNELED ELECTRON MULTIPLIER OF THE CLASS WHEREIN EACH CHANNEL IS DEFINED BY A PAIR OF LOUVER SLATS ON A SERIES OF CASCADED LOUVERED DYNODES AND BY AN APERTURE OF A COLLECTOR ASSEMBLY, A PLURALITY OF SHIELDS, EACH OF SAID SHIELDS DEFINING A RECESS, SAID SHIELDS BEING IN ELECTRICAL CONDUCTING RELATIONSHIP TO SAID DYNODES AND COLLECTOR ASSEMBLY, EACH OF SAID
Claim 2
Dependent Claim
63 words
IN A VENETIAN-BLIND DYNODE CHANNELED ELECTRON MULTIPLIER OF THE CLASS WHEREIN EACH CHANNEL IS DEFINED BY A PAIR OF LOUVER SLATS ON A SERIES OF CASCADED LOUVERED DYNODES AND BY AN APERTURE OF A COLLECTOR ASSEMBLY, A PLURALITY OF SHIELDS, EACH OF SAID SHIELDS DEFINING A RECESS, SAID SHIELDS BEING IN ELECTRICAL CONDUCTING RELATIONSHIP TO SAID DYNODES AND COLLECTOR ASSEMBLY, EACH OF SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |