Patent US3198206A successfully refreshed from Google Patents.
US3198206A
Expired / Lapsed
US
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Piercing valve
Assignee: Individual
•
Filing: 1961-08-01
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Granted: 1965-08-03
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Expires: 1981-08-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas F O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:13
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/04; F16L41/06; F16L41/065; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0402; Y10T137/0441; Y10T137/0458; Y10T137/0463; Y10T137/0469; Y10T137/598; Y10T137/6065; Y10T137/6069; Y10T137/6089; Y10T137/6106; Y10T137/6109; Y10T137/6113; Y10T137/612; Y10T137/6123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE24199E
Cited
GB505046A
Cited
US2372454A
Cited
US2827913A
Cited
US3115889A
Cited
US3038490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |