US3260279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow control valve
Assignee: PPG Industries Inc
•
Filing: 1963-01-25
•
Granted: 1966-07-12
•
Expires: 1983-01-25
Abstract
No abstract record available.
Inventors
- 👤 Henry J Liebmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:54
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/04; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791; Y10T137/7912; Y10T137/7913; Y10T137/7914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2899974A
Cited
US1244689A
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US1279599A
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US1542612A
Cited
US1779322A
Cited
US2348323A
Cited
US2591951A
Cited
US2824060A
Cited
US3134394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |