US3013576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure regulator
Assignee: ACF Industries Inc
•
Filing: 1958-08-29
•
Granted: 1961-12-19
•
Expires: 1978-08-29
Abstract
No abstract record available.
Inventors
- 👤 Leland B Read
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:10
CPC Classifications
F; F02; F02M; F02M5/00; F02M5/12; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7478; Y10T137/7488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US463286A
Cited
US662837A
Cited
US691444A
Cited
US1226139A
Cited
US1494786A
Cited
US1563339A
Cited
AT129245B
Cited
AT193322B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |