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Patent US2478982A successfully refreshed from Google Patents.
US2478982A
Expired / Lapsed
US
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Tube base removing machine
Assignee: GTE Sylvania Inc
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Filing: 1948-08-24
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Granted: 1949-08-16
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Expires: 1968-08-24
Abstract
No abstract record available.
Inventors
- 👤 George L Rishell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:00
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/50; H01J2893/00; H01J2893/0072; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/82; Y10; Y10S; Y10S156/00; Y10S156/918; Y10S156/919; Y10S156/927; Y10T; Y10T156/00; Y10T156/11; Y10T156/1168; Y10T156/19; Y10T156/1961; Y10T156/1967; Y10T156/1972; Y10T29/00; Y10T29/51; Y10T29/5152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1920528A
Cited
US2122117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |