US1027072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric controller.
Assignee: Commonwealth Steel Co Pty Ltd
•
Filing: 1911-03-27
•
Granted: 1912-05-21
•
Expires: 1931-03-27
Abstract
No abstract record available.
Inventors
- 👤 William Schwieder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:13
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/285; H02P7/292; H02P7/293
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) | 1915-05-21 | 1915-11-20 | 1916-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-05-21 | 1919-11-20 | 1920-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-05-21 | 1923-11-20 | 1924-05-21 | $7700.00 | Window Closed / Lapsed |