Patent US2679660A successfully refreshed from Google Patents.
US2679660A
Expired / Lapsed
US
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Nonintermittent lamp base filling machine
Assignee: General Electric Co
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Filing: 1950-12-22
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Granted: 1954-06-01
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Expires: 1970-12-22
Abstract
No abstract record available.
Inventors
- 👤 Jr James Bain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:05
CPC Classifications
H; H01; H01K; H01K3/00; H01K3/16; H01K3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1306643A
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US1434766A
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US1515488A
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US1708756A
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US1760507A
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DE588784C
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US2163177A
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US2087809A
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US2225173A
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US2422990A
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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) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |