US3132410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of constructing a traveling wave tube
Assignee: Individual
•
Filing: 1962-03-08
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Granted: 1964-05-12
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Expires: 1982-03-08
Abstract
No abstract record available.
Inventors
- 👤 Cohen Aaron
- 👤 Maurice F Liscio
- 👤 Okstein Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:01
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24; H01J23/26; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A METHOD OF CONSTRUCTING A HELIX ASSEMBLY COMPRISING: (A) PLACING A WIRE HELIX IN A VITREOUS TUBE HAVING A PLURALITY OF LONGITUDINAL CONVEX RIBS INTEGRAL WITH THE INNER PERIPHERY THEREOF WHEREBY SAID WIRE HELIX IS SUPPORTED BY SAID CONVEX RIBS, (B) HEATING SAID VITREOUS TUBE TO A VISCID CONDITION, AND (C) THEN APPLYING PRESSURE TO THE OUTER PERIPHERY OF SAID VITREOUS TUBE AT A LINE WHERE EACH CONVEX RIB IS POSITIONED WHILE SAID TUBE IS IN A VISCID CONDITION WHEREBY SAID LONGITUDINAL CONVEX RIBS ARE EMBEDDED WITH SAID WIRE HELIX.
Claim 2
Independent Claim
90 words
A METHOD OF CONSTRUCTING A HELIX ASSEMBLY COMPRISING: (A) PLACING A WIRE HELIX IN A VITREOUS TUBE HAVING A PLURALITY OF LONGITUDINAL CONVEX RIBS INTEGRAL WITH THE INNER PERIPHERY THEREOF WHEREBY SAID WIRE HELIX IS SUPPORTED BY SAID CONVEX RIBS, (B) HEATING SAID VITREOUS TUBE TO A VISCID CONDITION, AND (C) THEN APPLYING PRESSURE TO THE OUTER PERIPHERY OF SAID VITREOUS TUBE AT A LINE WHERE EACH CONVEX RIB IS POSITIONED WHILE SAID TUBE IS IN A VISCID CONDITION WHEREBY SAID LONGITUDINAL CONVEX RIBS ARE EMBEDDED WITH SAID WIRE HELIX.
References Cited (Backward Citations)
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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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |