Patent US1989057A successfully refreshed from Google Patents.
US3481367A
Expired / Lapsed
US
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Three-way stopcock
Assignee: Brunswick Corp
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Filing: 1967-06-13
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Granted: 1969-12-02
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Expires: 1987-06-13
Abstract
No abstract record available.
Inventors
- 👤 Fritz Deuschle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:11
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/08; F16K11/083; F16K11/0833; B; B23; B23B; B23B33/00; B23B33/005; Y; Y10; Y10S; Y10S251/00; Y10S251/904; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86863; Y10T137/86871
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US251832A
Cited
US765229A
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US2699776A
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US3185179A
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US3186437A
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US3276472A
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US3305211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |