US3046601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cavity configuration determination
Assignee: Shell USA Inc
•
Filing: 1959-08-28
•
Granted: 1962-07-31
•
Expires: 1979-08-28
Abstract
No abstract record available.
Inventors
- 👤 Marion K Hubbert
- 👤 William C Smith
- 👤 Jr Chrest B Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:13
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/1208; E21B33/127; E21B47/00; E21B47/08; E21B47/09; E21B47/098; Y; Y10; Y10S; Y10S264/00; Y10S264/50; Y10S264/65; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2016904A
Cited
US2272892A
Cited
US2405245A
Cited
US2416441A
Cited
US2665187A
Cited
US2618014A
Cited
US2653474A
Cited
US2856632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |