Patent US3300679A successfully refreshed from Google Patents.
US3300679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High frequency electron discharge device tuning means having means to convert from rotational to reciprocating motion
Assignee: Varian Medical Systems Inc
•
Filing: 1964-08-26
•
Granted: 1967-01-24
•
Expires: 1984-08-26
Abstract
No abstract record available.
Inventors
- 👤 Jack A Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:33
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/18; H01J23/20; H01J23/213; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18672
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A HIGH FREQUENCY ELECTRON DISCHARGE DEVICE HAVING BEAM FORMING AND PROJECTING MEANS DISPOSED AT THE UPSTREAM END PORTION THEREOF AND BEAM COLLECTOR MEANS DISPOSED AT THE DOWNSTREAM END PORTION THEREOF AND ELECTROMAGNETIC INTERACTION MEANS DISPOSED THEREBETWEEN AND COUPLED THERETO IN VACUUM SEALED RELATIONSHIP TO FORM A VACUUM ENVELOPE FOR SAID DEVICE, SAID INTERACTION MEANS INCLUDING FLEXIBLE VACUUM SEALING MEANS COUPLED THERETO, SAID ELECTROMAGNETIC INTERACTION MEANS HAVING AT LEAST ONE FREQUENCY TUNING MECHANISM COUPLED THERETO, SAID TUNING MECHANISM INCLUDING MEANS FOR VARYING THE FREQUENCY OF ELECTROMAGNETIC ENERGY ALONG THE PORTION OF SAID ELECTROMAGNETIC INTERACTION MEANS TO WHICH SAID TUNING MECHANISM IS COUPLED, MEANS FOR PHYSICALLY MOVING SAID TUNING MEANS ALONG AN ARCUATE PATH RELATIVE TO SAID ELECTROMAGNETIC INTERACTION MEANS IN PENDULUM TYPE MOTION ABOUT A PIVOT POINT MEANS, SAID MEANS FOR PHYSICALLY MOVING SAID TUNING MEANS INCLUDING A PENDULUM TUNER SHAFT ADAPTED AND ARRANGED FOR OSCILLATION ABOUT SAID PIVOT POINT MEANS, MEANS FOR MOVING SAID PENDULUM SHAFT ABOUT SAID PIVOT POINT MEANS INCLUDING MOTION TRANSLATIONAL MEANS ADAPTED AND AR-
Claim 2
Dependent Claim
168 words
A HIGH FREQUENCY ELECTRON DISCHARGE DEVICE HAVING BEAM FORMING AND PROJECTING MEANS DISPOSED AT THE UPSTREAM END PORTION THEREOF AND BEAM COLLECTOR MEANS DISPOSED AT THE DOWNSTREAM END PORTION THEREOF AND ELECTROMAGNETIC INTERACTION MEANS DISPOSED THEREBETWEEN AND COUPLED THERETO IN VACUUM SEALED RELATIONSHIP TO FORM A VACUUM ENVELOPE FOR SAID DEVICE, SAID INTERACTION MEANS INCLUDING FLEXIBLE VACUUM SEALING MEANS COUPLED THERETO, SAID ELECTROMAGNETIC INTERACTION MEANS HAVING AT LEAST ONE FREQUENCY TUNING MECHANISM COUPLED THERETO, SAID TUNING MECHANISM INCLUDING MEANS FOR VARYING THE FREQUENCY OF ELECTROMAGNETIC ENERGY ALONG THE PORTION OF SAID ELECTROMAGNETIC INTERACTION MEANS TO WHICH SAID TUNING MECHANISM IS COUPLED, MEANS FOR PHYSICALLY MOVING SAID TUNING MEANS ALONG AN ARCUATE PATH RELATIVE TO SAID ELECTROMAGNETIC INTERACTION MEANS IN PENDULUM TYPE MOTION ABOUT A PIVOT POINT MEANS, SAID MEANS FOR PHYSICALLY MOVING SAID TUNING MEANS INCLUDING A PENDULUM TUNER SHAFT ADAPTED AND ARRANGED FOR OSCILLATION ABOUT SAID PIVOT POINT MEANS, MEANS FOR MOVING SAID PENDULUM SHAFT ABOUT SAID PIVOT POINT MEANS INCLUDING MOTION TRANSLATIONAL MEANS ADAPTED AND AR-
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |