US423105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dwight p
Assignee: —
•
Filing: —
•
Granted: 1890-03-11
•
Expires: 1907-03-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:22
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/86702; Y10T137/8671; Y10T137/87169
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1893-03-10 | 1893-09-09 | 1894-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1897-03-10 | 1897-09-09 | 1898-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1901-03-11 | 1901-09-10 | 1902-03-12 | $7700.00 | Window Closed / Lapsed |