Patent US3402741A successfully refreshed from Google Patents.
US3402741A
Expired / Lapsed
US
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Self-supporting, bendable, shape retaining discharge conduit
Assignee: Individual
•
Filing: 1965-06-21
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Granted: 1968-09-24
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Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Yurdin Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:40
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1314156A
Cited
US865355A
Cited
FR704816A
Cited
US2998028A
Cited
US2915089A
Cited
US2968441A
Cited
GB976640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |