US3002464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary gear pump, bearings and sealing means therefor
Assignee: Individual
•
Filing: 1958-03-17
•
Granted: 1961-10-03
•
Expires: 1978-03-17
Abstract
No abstract record available.
Inventors
- 👤 Clinton W Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:47
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/02; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F04C2/18; F16; F16C; F16C17/00; F16C17/26; F16C33/00; F16C33/72; F16C33/74; Y; Y10; Y10S; Y10S417/00; Y10S417/01
Claims Analysis
Total Claims: 0
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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) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |