US3019558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beading machine
Assignee: GTE Sylvania Inc
•
Filing: 1957-05-15
•
Granted: 1962-02-06
•
Expires: 1977-05-15
Abstract
No abstract record available.
Inventors
- 👤 Bernard G Broadbent
- 👤 Frederick A Hemphill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:26
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1591716A
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US1833774A
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US1789011A
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US2156884A
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US2444239A
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US2527669A
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US2575746A
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US2545945A
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US2654181A
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US2707848A
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US2573266A
Cited
US2721422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |