US2759499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic grid machine
Assignee: GTE Sylvania Inc
•
Filing: 1947-09-03
•
Granted: 1956-08-21
•
Expires: 1967-09-03
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Gartner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:21
CPC Classifications
H; H01; H01J; H01J19/00; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1947449A
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US1903234A
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US1994307A
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US2068628A
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US2181288A
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US2242782A
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US2272751A
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US2380320A
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US2426522A
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US2480677A
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US2441228A
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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) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |