Patent US2950130A successfully refreshed from Google Patents.
US2950130A
Expired / Lapsed
US
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Fluid pressure responsive pipe coupling having identical halves
Assignee: Individual
•
Filing: 1957-09-05
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Granted: 1960-08-23
•
Expires: 1977-09-05
Abstract
No abstract record available.
Inventors
- 👤 Schneider Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:18
CPC Classifications
F; F16; F16L; F16L17/00; F16L17/06; F16L17/067; F16L17/073; F16L37/00; F16L37/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US653143A
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US714311A
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US1014108A
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GB191102765A
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US1022927A
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US1300414A
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GB278677A
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US1839682A
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US1988694A
Cited
US2257321A
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US2784990A
Cited
US2774617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |