US3064437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Offshore structure
Assignee: Jersey Production Research Co
•
Filing: 1959-07-16
•
Granted: 1962-11-20
•
Expires: 1979-07-16
Abstract
No abstract record available.
Inventors
- 👤 Richard P Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:54
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/02; E02B17/027; B; B63; B63B; B63B35/00; B63B35/003; E02B2017/0039
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US672356A
Cited
US714176A
Cited
GB612201A
Cited
US2944403A
Cited
US2909901A
Cited
US2900794A
Cited
US2938354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |