US309439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
chillingwokth
Assignee: —
•
Filing: —
•
Granted: 1884-12-16
•
Expires: 1901-12-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:02
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/23; B23K9/232; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014; Y10T428/00; Y10T428/12; Y10T428/12431; Y10T428/12438; Y10T428/12451; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/12917; Y10T428/12924; Y10T428/29; Y10T428/2913; Y10T428/2973
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) | 1887-12-16 | 1888-06-16 | 1888-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-12-16 | 1892-06-16 | 1892-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-12-16 | 1896-06-16 | 1896-12-16 | $7700.00 | Window Closed / Lapsed |