US3498641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring wire locking device for a coupling
Assignee: Hose Accessories Co
•
Filing: 1969-03-13
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Granted: 1970-03-03
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Expires: 1989-03-13
Abstract
No abstract record available.
Inventors
- 👤 Charles I Bohlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:37
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/24; F16L37/244; F16L37/252; F16L37/08; F16L37/12; F16L37/14; F16L37/142; F16L37/148; F16B; F16B2200/00; F16B2200/69; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/948
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) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |