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US3036719A
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Filament transfer device
Assignee: GTE Sylvania Inc
•
Filing: 1957-10-11
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Granted: 1962-05-29
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Expires: 1977-10-11
Abstract
No abstract record available.
Inventors
- 👤 Herbert K Dick
- 👤 August E Kulberg
- 👤 Samuel E Swasey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:49
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/46; H01J2893/00; H01J2893/0096; H01J2893/0097; Y; Y10; Y10S; Y10S198/00; Y10S198/953
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2814393A
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US2883072A
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US2891668A
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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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |