Patent US2852416A successfully refreshed from Google Patents.
US2852416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for manufacturing travelling wave electron discharge devices
Assignee: TDK Micronas GmbH
•
Filing: 1955-06-03
•
Granted: 1958-09-16
•
Expires: 1975-06-03
Abstract
No abstract record available.
Inventors
- 👤 Billy D Mcnary
- 👤 Louis A Tentarelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:14
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24; H01J23/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A METHOD OF ADDING SIGNAL ATTENUATION MATERIAL TO A SIGNAL PROPAGATING STURCTURE OF ELONGATED CONFIGURATION TO ESTABLISH THE ELECTRICAL CONDUCTIVITY THEREOF AT A PREDETERMINED VALUE COMPRISING THE STEPS OF PASSING A SIGNAL OF GIVEN POWER LEVEL AND FREQUENCY LENGTHWISE THROUGH SAID PROPAGATING STURCTURE, DETECTING THE POWER LEVEL OF THE SIGNAL OUTPUT OF SAID PROPAGATING STURCTURE, AND APPLYING RESISTIVE MATERIAL TO THE CIRUMFERENCE OF AND FOR AT LEAST A CERTAIN LENGTH OF SAID PROPAGATING STURCTURE UNTIL THE DETECTED SIGNAL OUTPUT DECREASES TO A PREDETERMINED POWER LEVEL.
Claim 2
Independent Claim
85 words
A METHOD OF ADDING SIGNAL ATTENUATION MATERIAL TO A SIGNAL PROPAGATING STURCTURE OF ELONGATED CONFIGURATION TO ESTABLISH THE ELECTRICAL CONDUCTIVITY THEREOF AT A PREDETERMINED VALUE COMPRISING THE STEPS OF PASSING A SIGNAL OF GIVEN POWER LEVEL AND FREQUENCY LENGTHWISE THROUGH SAID PROPAGATING STURCTURE, DETECTING THE POWER LEVEL OF THE SIGNAL OUTPUT OF SAID PROPAGATING STURCTURE, AND APPLYING RESISTIVE MATERIAL TO THE CIRUMFERENCE OF AND FOR AT LEAST A CERTAIN LENGTH OF SAID PROPAGATING STURCTURE UNTIL THE DETECTED SIGNAL OUTPUT DECREASES TO A PREDETERMINED POWER LEVEL.
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) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |