US2498485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of tinning a steel shell bearing
Assignee: General Electric Co
•
Filing: 1946-08-07
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Granted: 1950-02-21
•
Expires: 1966-08-07
Abstract
No abstract record available.
Inventors
- 👤 John H Clawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:03
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/08; C23C2/02; C23C2/022; C23C2/024; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/14; F16C17/00; F16C17/02; F16C2204/00; F16C2204/30; F16C2204/34; F16C33/12; F16C33/122; F16C33/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US158790A
Cited
US1741204A
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US2258218A
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US2258221A
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US2258220A
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US2258222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |