Patent US3314643A successfully refreshed from Google Patents.
US3314643A
Expired / Lapsed
US
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Throttling valve
Assignee: Texsteam Inc
•
Filing: 1963-11-27
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Granted: 1967-04-18
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Expires: 1983-11-27
Abstract
No abstract record available.
Inventors
- 👤 Norman H Sachnik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:31
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/04; F16K5/0407; F16K5/0457; F16K5/0464; F16K5/08; F16K5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1388673A
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US1888179A
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US2510514A
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US2664261A
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US2574428A
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US2950081A
Cited
US2832563A
Cited
US3052445A
Cited
US3210042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |