Patent US2847940A successfully refreshed from Google Patents.
US2847940A
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Measuring pumps
Assignee: ETUDE ET LA REALISATION DANS L
•
Filing: 1953-07-28
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Granted: 1958-08-19
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Expires: 1973-07-28
Abstract
No abstract record available.
Inventors
- 👤 Serres Jean Paul Justin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:48
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/58; B67D7/62; B67D7/64; F; F04; F04B; F04B1/00; F04B1/04; F04B1/06; F04B9/00; F04B9/02; F04B9/04; F04B9/042; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T74/00; Y10T74/16
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) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |