US2909198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spirally corrugated rubber tubing with intergral cylindrical end connectors
Assignee: Individual
•
Filing: 1955-06-09
•
Granted: 1959-10-20
•
Expires: 1975-06-09
Abstract
No abstract record available.
Inventors
- 👤 Vance M Kramer
- 👤 Lawrence W Cariton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:17
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2730480A
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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) | 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 |