Patent US3070054A successfully refreshed from Google Patents.
US3070054A
Expired / Lapsed
US
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Apparatus for manufacturing pipes and tubes
Assignee: SPIRALIT SOC
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Filing: 1957-08-29
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Granted: 1962-12-25
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Expires: 1977-08-29
Abstract
No abstract record available.
Inventors
- 👤 Grieten Gustave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:07
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB264620A
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US1783187A
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US2365226A
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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) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |