US2940302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe-line exploration
Assignee: Individual
•
Filing: 1956-04-19
•
Granted: 1960-06-14
•
Expires: 1976-04-19
Abstract
No abstract record available.
Inventors
- 👤 Serge A Scherbatskoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:06
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/04; G01M3/24; G01M3/243; G01M3/005; G01M3/16; G01M3/18; G01M3/20; G01M3/22; G01M3/26; G01M3/28; G01M3/2807; G01M3/2823; F; F16; F16L; F16L2101/00; F16L2101/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2371628A
Cited
US2507351A
Cited
US2601248A
Cited
US2737595A
Cited
US2782370A
Cited
US2793524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |