Patent US293532A successfully refreshed from Google Patents.
US293532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
smith
Assignee: —
•
Filing: —
•
Granted: 1884-02-12
•
Expires: 1901-02-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:46
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/302; H; H10; H10W; H10W20/00; H10W20/01; H10W20/071; H10W20/081; H10W20/084; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T24/00; Y10T24/10; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12639; Y10T428/12646
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) | 1887-02-11 | 1887-08-13 | 1888-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-02-11 | 1891-08-13 | 1892-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-02-11 | 1895-08-13 | 1896-02-12 | $7700.00 | Window Closed / Lapsed |