Patent US1602449A successfully refreshed from Google Patents.
US1602449A
Expired / Lapsed
US
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Tubular well screen
Assignee: OHIO DRILLING Co
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Filing: 1923-04-27
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Granted: 1926-10-12
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Expires: 1943-04-27
Abstract
No abstract record available.
Inventors
- 👤 Thomas O Poe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:25
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/02; E21B43/08; E21B43/086; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/496; Y10T29/49602
Claims Analysis
Total Claims: 0
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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) | 1929-10-11 | 1930-04-12 | 1930-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-10-11 | 1934-04-12 | 1934-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-10-11 | 1938-04-12 | 1938-10-12 | $7700.00 | Window Closed / Lapsed |