US1753066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formation sampler
Assignee: GULF PRODUCTION Co
•
Filing: 1929-04-20
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Granted: 1930-04-01
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Expires: 1949-04-20
Abstract
No abstract record available.
Inventors
- 👤 Gerald A Poole
- 👤 Scott G Forney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:41
CPC Classifications
E; E21; E21B; E21B49/00; E21B49/08; E21B49/081; E21B49/0815; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7936
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) | 1933-03-31 | 1933-09-30 | 1934-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-03-31 | 1937-09-30 | 1938-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-03-31 | 1941-09-30 | 1942-04-01 | $7700.00 | Window Closed / Lapsed |