US3378811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Downhole electrical connector apparatus and method of connecting same
Assignee: Youngstown Sheet and Tube Co
•
Filing: 1966-01-10
•
Granted: 1968-04-16
•
Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 Roy H Cullen
- 👤 Ronald G Zilliox
- 👤 Charles H Elliott
- 👤 Jimmie R Aker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:14
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/02; E21B17/028; H; H01; H01R; H01R13/00; H01R13/46; H01R13/52; H01R13/523
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2620029A
Cited
US2703870A
Cited
US3044037A
Cited
US3241095A
Cited
US3173989A
Cited
US3277424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |