Patent US2068435A successfully refreshed from Google Patents.
Patent US377340A successfully refreshed from Google Patents.
US377340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
urquhart
Assignee: —
•
Filing: —
•
Granted: 1888-01-31
•
Expires: 1905-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:10
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/54; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/84
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) | 1891-01-30 | 1891-08-01 | 1892-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1895-01-30 | 1895-08-01 | 1896-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1899-01-30 | 1899-08-01 | 1900-01-31 | $7700.00 | Window Closed / Lapsed |