US3038656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Field plotting
Assignee: ConocoPhillips Co
•
Filing: 1954-10-25
•
Granted: 1962-06-12
•
Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 Louis B Horwitz
- 👤 Elmer S Messer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:16
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/32; G06G7/38; G06G7/40; G06G7/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1293747A
Cited
US2586686A
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US2569816A
Cited
US2569817A
Cited
US2639209A
Cited
US2700750A
Cited
US2858978A
Cited
US2839246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |