Patent US3098554A successfully refreshed from Google Patents.
Patent US3205231A successfully refreshed from Google Patents.
Patent US756167A successfully refreshed from Google Patents.
US756167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling electric boosters.
Assignee: General Electric Co
•
Filing: 1902-10-20
•
Granted: 1904-03-29
•
Expires: 1922-10-20
Abstract
No abstract record available.
Inventors
- 👤 Edward M Hewlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:44
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/24; B23K11/248; H; H01; H01H; H01H9/00; H01H9/16; H01H9/167
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) | 1907-03-29 | 1907-09-28 | 1908-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-03-29 | 1911-09-28 | 1912-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-03-29 | 1915-09-28 | 1916-03-29 | $7700.00 | Window Closed / Lapsed |