Patent US2394389A successfully refreshed from Google Patents.
US2550583A
Expired / Lapsed
US
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Flexible hose coupling
Assignee: Individual
•
Filing: 1947-06-28
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Granted: 1951-04-24
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Expires: 1967-06-28
Abstract
No abstract record available.
Inventors
- 👤 John H Millar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:09
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/20; F16L33/213; Y; Y10; Y10S; Y10S285/00; Y10S285/915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1969203A
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US2025427A
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US2228018A
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US2248576A
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US2321991A
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US2333349A
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US2374226A
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US2399790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |