Patent US2154091A successfully refreshed from Google Patents.
Patent US1127428A successfully refreshed from Google Patents.
US1127428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing mechanism for oil and water wells.
Assignee: Individual
•
Filing: 1912-12-04
•
Granted: 1915-02-09
•
Expires: 1932-12-04
Abstract
No abstract record available.
Inventors
- 👤 William Y Fuqua
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:00
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12
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) | 1918-02-08 | 1918-08-10 | 1919-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-02-08 | 1922-08-10 | 1923-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-02-08 | 1926-08-10 | 1927-02-09 | $7700.00 | Window Closed / Lapsed |