Patent US3489158A successfully refreshed from Google Patents.
US3489158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube closure ball valve
Assignee: General Electric Canada Co
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Filing: 1966-11-16
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Granted: 1970-01-13
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Expires: 1986-11-16
Abstract
No abstract record available.
Inventors
- 👤 Ian Norton Mackay
- 👤 John Laurance Irvine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:03
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0615; G; G21; G21C; G21C13/00; G21C13/02; G21C13/06; G21C13/067; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T137/00; Y10T137/0318
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) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |