US2467867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic induction apparatus and method of forming same
Assignee: General Electric Co
•
Filing: 1944-09-11
•
Granted: 1949-04-19
•
Expires: 1964-09-11
Abstract
No abstract record available.
Inventors
- 👤 Gareth G Somerville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:07
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/24; H01F27/245; H01F27/2455; H01F41/00; H01F41/02; H01F41/0206; H01F41/0233; H01F41/024; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49073; Y10T29/49075; Y10T29/49078
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB106986A
Cited
US511574A
Cited
US581873A
Cited
US1318044A
Cited
US1365569A
Cited
US970587A
Cited
US1102513A
Cited
US1285996A
Cited
US1935426A
Cited
US2252461A
Cited
US2305686A
Cited
US2214673A
Cited
US2274519A
Cited
US2293951A
Cited
US2305650A
Cited
US2348003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |