US3499671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flareless tube coupling
Assignee: Parker Hannifin Corp
•
Filing: 1968-12-31
•
Granted: 1970-03-10
•
Expires: 1988-12-31
Abstract
No abstract record available.
Inventors
- 👤 James C Osborne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:43
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/08; F16L19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2211856A
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US2201404A
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US2252920A
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GB579145A
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US2738994A
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US3092405A
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US3075793A
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FR1256108A
Cited
FR1316605A
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US3325192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |