Patent US3513523A successfully refreshed from Google Patents.
US3513523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine and method for forming laminations for magnetic cores
Assignee: General Electric Co
•
Filing: 1967-04-20
•
Granted: 1970-05-26
•
Expires: 1987-04-20
Abstract
No abstract record available.
Inventors
- 👤 Armin F Mittermaier
- 👤 Lowell M Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:52
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/0206; H01F41/0233; H01F41/024; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49078; Y10T29/51; Y10T29/5136; Y10T29/5137; Y10T29/5142; Y10T29/53; Y10T29/5313; Y10T29/5317
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |