US1017031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making magnetic pole-pieces.
Assignee: Hoskins Manufacturing Co
•
Filing: 1909-12-31
•
Granted: 1912-02-13
•
Expires: 1929-12-31
Abstract
No abstract record available.
Inventors
- 👤 Oscar Wingaard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:21
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/02; H01F7/0273; H01F7/0278; 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)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1915-02-12 | 1915-08-14 | 1916-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-02-12 | 1919-08-14 | 1920-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-02-12 | 1923-08-14 | 1924-02-13 | $7700.00 | Window Closed / Lapsed |