US2711697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable capacity pump
Assignee: Individual
•
Filing: 1951-01-12
•
Granted: 1955-06-28
•
Expires: 1971-01-12
Abstract
No abstract record available.
Inventors
- 👤 Lloyd T Gibbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:43
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2619907A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |