US3273003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supporting members for a hot cathode block
Assignee: WC Heraus GmbH and Co KG
•
Filing: 1963-02-06
•
Granted: 1966-09-13
•
Expires: 1983-02-06
Abstract
No abstract record available.
Inventors
- 👤 Dietrich Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:06
CPC Classifications
H; H01; H01J; H01J1/00; H01J1/88; H01J1/94; H01J1/02; H01J1/13; H01J1/15; H01J1/18; H01J37/00; H01J37/02; H01J37/04; H01J37/06; H01J37/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
MEANS FOR CENTRALLY MOUNTING A HOT CATHODE BLOCK IN AN ELECTRON GUN COMPRISING, A PAIR OF OPPOSED DIAMETRICALLY SPACED STRAIGHT PARALLEL GROOVES FORMED IN THE PERIPHERY OF SAID CATHODE BLOCK, AND A PAIR OF SIMILAR STRAIGHT RODS, ONE OF SAID RODS BEING DISPOSED IN ONE OF SAID GROOVES IN FRICTIONAL ENGAGEMENT WITH THE BOTTOM AND SIDE WALLS OF SAID ONE OF SAID GROOVES AND EXTENDING OUTWARDLY THEREFROM IN ONE DIRECTION PARALLEL TO THE SAID BOTTOM WALL OF SAID ONE OF SAID GROOVES, AND THE OTHER OF SAID RODS BEING DISPOSED IN THE OTHER OF SAID GROOVES IN FRICTIONAL ENGAGEMENT WITH THE BOTTOM AND SIDE WALLS OF THE SAID OTHER OF SAID GROOVES AND EXTENDING OUTWARDLY THEREFROM PARALLEL TO THE SAID BOTTOM WALL OF THE SAID OTHER OF SAID GROOVES IN A DIRECTION OPPOSITE TO THE DIRECTION IN WHICH THE SAID ONE OF SAID RODS EXTENDS OUTWARDLY FROM THE SAID ONE OF SAID GROOVES, THE OTHER ENDS OF SAID RODS BEING ADAPTED TO BE SECURED IN FIXED POSITION TO SAID ELECTRON GUN, SAID MOUNTING MEANS BEING OPERATIVE TO COMPENSATE FOR THE EXPANSION OR CONTRACTION OF SAID CATHODE BLOCK DUE TO TEMPERATURE CHANGES OF SAID CATHODE BLOCK DURING OPERATION.
Claim 2
Dependent Claim
197 words
MEANS FOR CENTRALLY MOUNTING A HOT CATHODE BLOCK IN AN ELECTRON GUN COMPRISING, A PAIR OF OPPOSED DIAMETRICALLY SPACED STRAIGHT PARALLEL GROOVES FORMED IN THE PERIPHERY OF SAID CATHODE BLOCK, AND A PAIR OF SIMILAR STRAIGHT RODS, ONE OF SAID RODS BEING DISPOSED IN ONE OF SAID GROOVES IN FRICTIONAL ENGAGEMENT WITH THE BOTTOM AND SIDE WALLS OF SAID ONE OF SAID GROOVES AND EXTENDING OUTWARDLY THEREFROM IN ONE DIRECTION PARALLEL TO THE SAID BOTTOM WALL OF SAID ONE OF SAID GROOVES, AND THE OTHER OF SAID RODS BEING DISPOSED IN THE OTHER OF SAID GROOVES IN FRICTIONAL ENGAGEMENT WITH THE BOTTOM AND SIDE WALLS OF THE SAID OTHER OF SAID GROOVES AND EXTENDING OUTWARDLY THEREFROM PARALLEL TO THE SAID BOTTOM WALL OF THE SAID OTHER OF SAID GROOVES IN A DIRECTION OPPOSITE TO THE DIRECTION IN WHICH THE SAID ONE OF SAID RODS EXTENDS OUTWARDLY FROM THE SAID ONE OF SAID GROOVES, THE OTHER ENDS OF SAID RODS BEING ADAPTED TO BE SECURED IN FIXED POSITION TO SAID ELECTRON GUN, SAID MOUNTING MEANS BEING OPERATIVE TO COMPENSATE FOR THE EXPANSION OR CONTRACTION OF SAID CATHODE BLOCK DUE TO TEMPERATURE CHANGES OF SAID CATHODE BLOCK DURING OPERATION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |