US2850302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hose coupling with ribbed socket
Assignee: Stratoflex Inc
•
Filing: 1953-09-16
•
Granted: 1958-09-02
•
Expires: 1973-09-16
Abstract
No abstract record available.
Inventors
- 👤 Samuel R Billingsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:00
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/22; F16L33/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191504765A
Cited
US1684713A
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GB531186A
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US2266211A
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US2288684A
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US2333349A
Cited
US2371971A
Cited
US2540113A
Cited
US2476480A
Cited
US2485976A
Cited
US2452908A
Cited
FR1075787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |