US239645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
William beonk
Assignee: —
•
Filing: —
•
Granted: 1881-04-05
•
Expires: 1898-04-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:43
CPC Classifications
F; F16; F16K; F16K43/00; F16K43/005; F16K43/006; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87981; Y10T137/87997; Y10T137/88005
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) | 1884-04-04 | 1884-10-04 | 1885-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1888-04-04 | 1888-10-04 | 1889-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1892-04-04 | 1892-10-04 | 1893-04-05 | $7700.00 | Window Closed / Lapsed |