US2945502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow control devices
Assignee: Baso Inc
•
Filing: 1955-10-04
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Granted: 1960-07-19
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Expires: 1975-10-04
Abstract
No abstract record available.
Inventors
- 👤 Russell B Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:55
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/10; F23N5/107; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/18; Y; Y10; Y10T; Y10T137/00; Y10T137/1407; Y10T137/1516; Y10T137/8593; Y10T137/87153; Y10T137/87161; Y10T137/87917; Y10T137/87981
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) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |