US2618345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bridge plug and dump bailer
Assignee: Individual
•
Filing: 1948-07-03
•
Granted: 1952-11-18
•
Expires: 1968-07-03
Abstract
No abstract record available.
Inventors
- 👤 Alvin W Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:11
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/134; E21B27/00; E21B27/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1829666A
Cited
US1872855A
Cited
US2076307A
Cited
US2086409A
Cited
US2257784A
Cited
US2189445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |