US2934727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Core construction
Assignee: Westinghouse Electric Corp
•
Filing: 1955-12-29
•
Granted: 1960-04-26
•
Expires: 1975-12-29
Abstract
No abstract record available.
Inventors
- 👤 Archie R Cornell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:05
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/0206; H01F41/0233; H01F27/00; H01F27/24; H01F27/245; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US602218A
Cited
US1962431A
Cited
US1841685A
Cited
US2085092A
Cited
US2145703A
Cited
US2465798A
Cited
US2469100A
Cited
GB671823A
Cited
US2630478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |