US323975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamo-electric or electro-dynamic machine
Assignee: —
•
Filing: —
•
Granted: 1885-08-11
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Expires: 1902-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:35
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/22; H02K1/28; H02K1/30; H02K1/12; H02K1/14; H02K1/141
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) | 1888-08-10 | 1889-02-09 | 1889-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1892-08-10 | 1893-02-09 | 1893-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1896-08-10 | 1897-02-09 | 1897-08-11 | $7700.00 | Window Closed / Lapsed |