Patent US2967067A successfully refreshed from Google Patents.
US2967067A
Expired / Lapsed
US
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Joint for pipes and tubes
Assignee: INTEROWA FURER HAIMENDORF KOMM
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Filing: 1956-07-09
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Granted: 1961-01-03
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Expires: 1976-07-09
Abstract
No abstract record available.
Inventors
- 👤 Singer Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:49
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L21/00; F16L21/02; F16L21/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1996855A
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US2366814A
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US2485976A
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GB705373A
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US2787480A
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US2707116A
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US2831711A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |