US3083989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reusable fitting with metallic sealing ring
Assignee: Resistoflex Corp
•
Filing: 1957-04-30
•
Granted: 1963-04-02
•
Expires: 1977-04-30
Abstract
No abstract record available.
Inventors
- 👤 Irving D Press
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:57
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/18; F16L17/00; F16L17/06; F16L17/063; Y; Y10; Y10S; Y10S285/00; Y10S285/917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1816293A
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US1859065A
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US1889870A
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US2239942A
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US2234350A
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US2406488A
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US2428189A
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US2452469A
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GB686387A
Cited
US2731279A
Cited
US2746486A
Cited
US2900999A
Cited
US2833567A
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US2853319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |