US3556758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making an electrolyte guide member
Assignee: General Electric Co
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Filing: 1968-02-19
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Granted: 1971-01-19
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Expires: 1988-02-19
Abstract
Abstract THIS INVENTION PERTAINS TO A METHOD FOR DRAWING A PORTION OF HOLLOW DIELECTRIC GUIDE MEMBER, FOR EXAMPLE, A GLASS NOZZLE, FROM A HEAT SOFTENABLE CIRCULAR TUBE BY HEATING A SELECTED PORTION OF THE TUBE. THE HEATING COMPRISES STEPS OF APPLYING HEAT AT A FIRST RATE, APPLYING HEAT AT A REDUCED RATE AND TERMINATING THE HEATING. THIS IS ALL CARRIED OUT WHILE THE TUBE IS BEING ROTATED.
Inventors
- 👤 James D Andrews
- 👤 Walter C Kunz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:47
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/04; C03B23/047; B; B23; B23H; B23H9/00; B23H9/14; B23H9/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |