US2786419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulsating hydraulic pump equipment
Assignee: Individual
•
Filing: 1955-10-10
•
Granted: 1957-03-26
•
Expires: 1975-10-10
Abstract
No abstract record available.
Inventors
- 👤 Lynn John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:55
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/08; F04B43/10; F04B43/107
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) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |