US3380764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
End fittings for flexible conduits and the like
Assignee: Superflexit Ltd
•
Filing: 1965-01-28
•
Granted: 1968-04-30
•
Expires: 1985-01-28
Abstract
No abstract record available.
Inventors
- 👤 Wilson John William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:12
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/22; F16L33/223; F16L33/224; Y; Y10; Y10S; Y10S285/00; Y10S285/903; Y10S285/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE113042C
Cited
US448717A
Cited
US969216A
Cited
US3078109A
Cited
GB892194A
Cited
US3087745A
Cited
US3191971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |