US238768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
drucklieb
Assignee: —
•
Filing: —
•
Granted: 1881-03-15
•
Expires: 1898-03-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:23
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; F16K11/07; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86831; Y10T137/86863; Y10T137/86871
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) | 1884-03-14 | 1884-09-13 | 1885-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1888-03-14 | 1888-09-13 | 1889-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1892-03-14 | 1892-09-13 | 1893-03-15 | $7700.00 | Window Closed / Lapsed |