US308239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Andbew campbell
Assignee: —
•
Filing: —
•
Granted: 1884-11-18
•
Expires: 1901-11-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:01
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3208; F16J15/3212
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) | 1887-11-18 | 1888-05-19 | 1888-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-11-18 | 1892-05-19 | 1892-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-11-18 | 1896-05-19 | 1896-11-18 | $7700.00 | Window Closed / Lapsed |