US2629923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making high strength rotating elements
Assignee: General Electric Co
•
Filing: 1949-08-23
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Granted: 1953-03-03
•
Expires: 1969-08-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert B Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:22
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/28; B21J; B21J1/00; B21J1/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US878871A
Cited
US942489A
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US1410093A
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US1397566A
Cited
US1486365A
Cited
US1792581A
Cited
FR799408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |