Patent US341437A successfully refreshed from Google Patents.
US341437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
ernst
Assignee: —
•
Filing: —
•
Granted: 1886-05-04
•
Expires: 1903-05-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:25
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/24; B23B31/26; B23B31/261; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30868; Y10T409/308792; Y10T409/308848; Y10T409/309352; Y10T409/309408; Y10T409/309464; Y10T74/00; Y10T74/14
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) | 1889-05-03 | 1889-11-02 | 1890-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1893-05-03 | 1893-11-02 | 1894-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1897-05-03 | 1897-11-02 | 1898-05-04 | $7700.00 | Window Closed / Lapsed |