US2646126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well screen
Assignee: Individual
•
Filing: 1950-08-18
•
Granted: 1953-07-21
•
Expires: 1970-08-18
Abstract
No abstract record available.
Inventors
- 👤 Grover D Goodner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:55
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/02; E21B43/08; E21B43/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1061928A
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US1218848A
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US1588920A
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GB226274A
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US1646404A
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US1642864A
Cited
US1688326A
Cited
US1645719A
Cited
US1771928A
Cited
US1995850A
Cited
US2164195A
Cited
US2322772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |