US356902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elihu thomson
Assignee: —
•
Filing: —
•
Granted: 1887-02-01
•
Expires: 1904-02-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:20
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/22; H02K1/28; H02K1/30; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T29/4902; Y10T29/49071
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) | 1890-01-31 | 1890-08-02 | 1891-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1894-01-31 | 1894-08-02 | 1895-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1898-01-31 | 1898-08-02 | 1899-02-01 | $7700.00 | Window Closed / Lapsed |