US894144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor for dynamos and electromotors.
Assignee: Individual
•
Filing: 1906-05-17
•
Granted: 1908-07-21
•
Expires: 1926-05-17
Abstract
No abstract record available.
Inventors
- 👤 Jack Hissink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:37
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/46; H02K3/50; H02K3/51
Claims Analysis
Total Claims: 0
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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) | 1911-07-21 | 1912-01-20 | 1912-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-07-21 | 1916-01-20 | 1916-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-07-21 | 1920-01-20 | 1920-07-21 | $7700.00 | Window Closed / Lapsed |