US3105165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: GTE Sylvania Inc
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Filing: 1960-08-08
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Granted: 1963-09-24
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Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 Walter H Kohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:40
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/42; H01J2893/00; H01J2893/0001; H01J2893/0002; H01J2893/0005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A SPACER ASSEMBLY FOR ELECTRON TUBE ELECTRODES COMPRISING A FRAME HAVING A PAIR OF LATERALLY SPACED PARALLEL MEMBERS, SAID MEMBERS HAVING SIDES LYING IN PARALLEL PLANES, FIRST CERAMIC THREAD MEANS WOUND IN ONE DIRECTION ALTERNATELY OVER SAID MEMBERS TO FORM A HELIX FLATTENED INTO THE SIDE PLANES OF THE MEMBERS, AND SECOND CERAMIC THREAD MEANS SIMILARLY WOUND IN THE OPPOSITE DIRECTION TO FORM A SECOND FLATTENED HELIX, THE PORTIONS OF SAID FIRST AND SECOND THREAD MEANS EXTENDING BETWEEN SAID MEMBERS DEFINING A PLURALITY OF DIAMOND-SHAPED INTERSPACES ADAPTED TO RECEIVE AND LATERALLY SPACE SAID ELECTRODES.
Claim 2
Dependent Claim
94 words
A SPACER ASSEMBLY FOR ELECTRON TUBE ELECTRODES COMPRISING A FRAME HAVING A PAIR OF LATERALLY SPACED PARALLEL MEMBERS, SAID MEMBERS HAVING SIDES LYING IN PARALLEL PLANES, FIRST CERAMIC THREAD MEANS WOUND IN ONE DIRECTION ALTERNATELY OVER SAID MEMBERS TO FORM A HELIX FLATTENED INTO THE SIDE PLANES OF THE MEMBERS, AND SECOND CERAMIC THREAD MEANS SIMILARLY WOUND IN THE OPPOSITE DIRECTION TO FORM A SECOND FLATTENED HELIX, THE PORTIONS OF SAID FIRST AND SECOND THREAD MEANS EXTENDING BETWEEN SAID MEMBERS DEFINING A PLURALITY OF DIAMOND-SHAPED INTERSPACES ADAPTED TO RECEIVE AND LATERALLY SPACE SAID ELECTRODES.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |