US2838703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Assembly of stacked laminations and process for making same
Assignee: General Electric Co
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Filing: 1957-01-18
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Granted: 1958-06-10
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Expires: 1977-01-18
Abstract
No abstract record available.
Inventors
- 👤 Roy L Balke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:55
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/02; H02K15/021; Y; Y10; Y10S; Y10S200/00; Y10S200/07; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49078; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49922; Y10T29/49925; Y10T29/49934; Y10T29/49945
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |