Patent US2685459A successfully refreshed from Google Patents.
US2685459A
Expired / Lapsed
US
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Coupling for flexible metal hose
Assignee: Connecticut Hard Rubber Co
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Filing: 1952-07-12
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Granted: 1954-08-03
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Expires: 1972-07-12
Abstract
No abstract record available.
Inventors
- 👤 Panagrossi Ahmed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:03
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/26; Y; Y10; Y10S; Y10S285/00; Y10S285/908; Y10S285/915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |