US3422211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for establishing a fluid-tight bypass
Assignee: Cooper Industries LLC
•
Filing: 1967-01-05
•
Granted: 1969-01-14
•
Expires: 1987-01-05
Abstract
No abstract record available.
Inventors
- 👤 William C Brisse
- 👤 Rene C Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:12
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/02; H02G15/06; H02G15/08; H02G15/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4989
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2246286A
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US2635132A
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US2771502A
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US2788385A
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US2938940A
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US2957038A
Cited
US3187081A
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US3215761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |