US3210096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tapering pin-and-box type threaded coupling
Assignee: Shell USA Inc
•
Filing: 1962-10-11
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Granted: 1965-10-05
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Expires: 1982-10-11
Abstract
No abstract record available.
Inventors
- 👤 Wissel Herman T Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:23
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/042; E21B17/043; F; F16; F16B; F16B33/00; F16B33/02; F16L; F16L15/00; F16L15/001; F16L15/004; Y; Y10; Y10S; Y10S411/00; Y10S411/916
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2183644A
Cited
US2345725A
Cited
GB567770A
Cited
US3050318A
Cited
US3079181A
Cited
FR1230856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |