US2624414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well bailer
Assignee: HARRELL SALES CO
•
Filing: 1948-03-13
•
Granted: 1953-01-06
•
Expires: 1968-03-13
Abstract
No abstract record available.
Inventors
- 👤 Warren B Harrell
- 👤 Alvin H Trester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:14
CPC Classifications
E; E21; E21B; E21B27/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7879; Y10T137/7888; Y10T137/7891
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1732791A
Cited
US1958915A
Cited
US2155601A
Cited
US2237686A
Cited
US2331631A
Cited
US2371824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |