Patent US1027178A successfully refreshed from Google Patents.
US1027178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plug-valve.
Assignee: CASKEY VALVE Co
•
Filing: 1909-08-23
•
Granted: 1912-05-21
•
Expires: 1929-08-23
Abstract
No abstract record available.
Inventors
- 👤 Samuel S Caskey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:19
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0663; F16K5/0673
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) | 1915-05-21 | 1915-11-20 | 1916-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-05-21 | 1919-11-20 | 1920-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-05-21 | 1923-11-20 | 1924-05-21 | $7700.00 | Window Closed / Lapsed |