US3019154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the production of flexible tubes or hoses having helically extending reinforcing element
Assignee: Individual
•
Filing: 1958-11-19
•
Granted: 1962-01-30
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Expires: 1978-11-19
Abstract
No abstract record available.
Inventors
- 👤 Helly-Hansen Leiv
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:13
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/581; B29C53/582; B29K; B29K2021/00; B29K2105/00; B29K2105/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |