US3412827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston rod actuated internal metering flow control mechanism
Assignee: Individual
•
Filing: 1964-11-30
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Granted: 1968-11-26
•
Expires: 1984-11-30
Abstract
No abstract record available.
Inventors
- 👤 Alan C Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:18
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/10; F16; F16F; F16F9/00; F16F9/32; F16F9/50; F16F9/516; F16J; F16J1/00; F16J1/10; F16J1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |