Patent US2989002A successfully refreshed from Google Patents.
US2989002A
Expired / Lapsed
US
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Liquid pump dispenser
Assignee: Individual
•
Filing: 1955-10-03
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Granted: 1961-06-20
•
Expires: 1975-10-03
Abstract
No abstract record available.
Inventors
- 👤 William J Dobkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:40
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/14; G; G01; G01F; G01F11/00; G01F11/02; G01F11/021; F05; F05C; F05C2225/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788; Y10T137/7882; Y10T137/7883
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) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |