US3086556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible metal pipe
Assignee: Crane Co
•
Filing: 1960-06-10
•
Granted: 1963-04-23
•
Expires: 1980-06-10
Abstract
No abstract record available.
Inventors
- 👤 Jerome J Kanter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:41
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/14; F16L11/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
IN FLEXIBLE METAL PIPE MEANS, THE COMBINATION OF INNER AND OUTER TUBULAR MEMBERS, THE SAID MEMBERS BEING SLOTTED SPIRALLY, AND AN IMPERFORATE TUBULAR MEMBER SANDWICHED BETWEEN SAID INNER AND OUTER TUBULAR MEMBERS.
Claim 2
Dependent Claim
32 words
IN FLEXIBLE METAL PIPE MEANS, THE COMBINATION OF INNER AND OUTER TUBULAR MEMBERS, THE SAID MEMBERS BEING SLOTTED SPIRALLY, AND AN IMPERFORATE TUBULAR MEMBER SANDWICHED BETWEEN SAID INNER AND OUTER TUBULAR MEMBERS.
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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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |