US3189372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible pipe joint having deflection limiting means
Assignee: Shell USA Inc
•
Filing: 1962-05-24
•
Granted: 1965-06-15
•
Expires: 1982-05-24
Abstract
No abstract record available.
Inventors
- 👤 Glenn D Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:30
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/14; F16L11/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US340046A
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US428023A
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FR743959A
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US445250A
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GB191012848A
Cited
US1128474A
Cited
US1194793A
Cited
US2136770A
Cited
US2147491A
Cited
GB670806A
Cited
US2696264A
Cited
GB814520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |