US3201509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron tube stem having break-away leads
Assignee: RCA Corp
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Filing: 1962-09-12
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Granted: 1965-08-17
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Expires: 1982-09-12
Abstract
No abstract record available.
Inventors
- 👤 William K Batzle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:31
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/42; H01J19/50; H01J2893/00; H01J2893/0001; H01J2893/0002; H01J2893/0005; H01J2893/0008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A STEM FOR AN ELECTRON TUBE COMPRISING AN INSULATING WAFER HAVING A PAIR OF SURFACES, AND A PLURALITY OF CONDUCTORS EXTENDING THROUGH SAID WAFER AND OUTWARDLY OF SAID SURFACES IN VACUUM TIGHT RELATION WITH SAID WAFER, SAID CONDUCTORS EACH COMPRISING A FIRST ROD AND A SECOND ROD BUTT WELDED TOGETHER, THE JOINT BETWEEN SAID RODS BEING EMBEDDED WITHIN SAID WAFER, ONE OF SAID FIRST RODS, AND ONLY SAID FIRST RODS, HAVING A LENGTH INCLUDING A NUMBER OF ADJACENTLY DISPOSED CUT-OUT PORTIONS, THE ENDS OF SAID LENGTH BEING DISPOSED ON OPPOSITE SIDES OF ONE OF SAID SURFACES.
Claim 2
Dependent Claim
96 words
A STEM FOR AN ELECTRON TUBE COMPRISING AN INSULATING WAFER HAVING A PAIR OF SURFACES, AND A PLURALITY OF CONDUCTORS EXTENDING THROUGH SAID WAFER AND OUTWARDLY OF SAID SURFACES IN VACUUM TIGHT RELATION WITH SAID WAFER, SAID CONDUCTORS EACH COMPRISING A FIRST ROD AND A SECOND ROD BUTT WELDED TOGETHER, THE JOINT BETWEEN SAID RODS BEING EMBEDDED WITHIN SAID WAFER, ONE OF SAID FIRST RODS, AND ONLY SAID FIRST RODS, HAVING A LENGTH INCLUDING A NUMBER OF ADJACENTLY DISPOSED CUT-OUT PORTIONS, THE ENDS OF SAID LENGTH BEING DISPOSED ON OPPOSITE SIDES OF ONE OF SAID SURFACES.
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |