US3176178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Funneled electron multiplier
Assignee: Bendix Corp
•
Filing: 1962-09-19
•
Granted: 1965-03-30
•
Expires: 1982-09-19
Abstract
No abstract record available.
Inventors
- 👤 George W Goodrich
- 👤 James R Ignatowski
- 👤 Jr James E Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:36
CPC Classifications
H; H01; H01J; H01J43/00; H01J43/04; H01J43/06; H01J43/18; H01J43/24; H01J31/00; H01J31/08; H01J31/50; H01J31/506
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A MULTIPLIER COMPRISING RECEIVING MEANS, COLLECTING MEANS, WALL MEANS BEING AT LEAST PARTIALLY PROVIDED WITH SECONDARY EMISSIVE MATERIAL AND DEFINING AT LEAST A PARTIALLY ENCLOSED MULTIPLYING PATH HAVING ITS LONGITUDINAL DIMENSION BETWEEN SAID RECEIVING MEANS AND COLLECTING MEANS, SAID MULTIPLYING PATH BEING TOTALLY CLEAR OF FIELD PRODUCING PHYSICAL OBSTRUCTIONS INDEPENDENT OF SAID WALL MEANS,
Claim 2
Dependent Claim
54 words
A MULTIPLIER COMPRISING RECEIVING MEANS, COLLECTING MEANS, WALL MEANS BEING AT LEAST PARTIALLY PROVIDED WITH SECONDARY EMISSIVE MATERIAL AND DEFINING AT LEAST A PARTIALLY ENCLOSED MULTIPLYING PATH HAVING ITS LONGITUDINAL DIMENSION BETWEEN SAID RECEIVING MEANS AND COLLECTING MEANS, SAID MULTIPLYING PATH BEING TOTALLY CLEAR OF FIELD PRODUCING PHYSICAL OBSTRUCTIONS INDEPENDENT OF SAID WALL MEANS,
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |