US2909134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for laying flexible pipe with attached risers
Assignee: Individual
•
Filing: 1958-08-25
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Granted: 1959-10-20
•
Expires: 1978-08-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Kniefel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:02
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/02; E02F5/12; E02F5/10; E02F5/102
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) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |