US2700734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subsurface exploration
Assignee: Texaco Inc
•
Filing: 1954-05-24
•
Granted: 1955-01-25
•
Expires: 1974-05-24
Abstract
No abstract record available.
Inventors
- 👤 Edmond F Egan
- 👤 Herzog Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:50
CPC Classifications
G; G01; G01V; G01V5/00; G01V5/04; G01V5/08; E; E21; E21B; E21B47/00; E21B47/04; E21B47/053
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2450265A
Cited
US2648014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |