US3035523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable delivery pumps
Assignee: CAV Ltd
•
Filing: 1960-12-27
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Granted: 1962-05-22
•
Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Kemp Kenneth Albert Walters
- 👤 Hutcheon Keith Finer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:19
CPC Classifications
F; F02; F02M; F02M41/00; F02M41/08; F02M41/14; F02M41/1405; F02M41/1411; F02M41/1422; F02M41/10; F02M41/12; F02M41/123; F02M59/00; F02M59/20; F02M59/32; F04; F04B; F04B49/00; F04B49/16; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86115
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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |