US2747510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump for fluid and semi-fluid materials such as plaster and the like
Assignee: SOUNDRIVE PUMP Co
•
Filing: 1952-01-12
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Granted: 1956-05-29
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Expires: 1972-01-12
Abstract
No abstract record available.
Inventors
- 👤 Seggern Ernest A Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:16
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/08; F04B43/088; F04B15/00; F04B15/02; F04B15/023; F04B43/10; F04B43/107; F04B53/00; F04B53/10; F04B53/1002; Y; Y10; Y10S; Y10S417/00; Y10S417/90
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) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |