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US2920794A
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US
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Volumetric dispensing device
Assignee: FR Hesser Maschinenfabrik AG
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Filing: 1957-09-20
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Granted: 1960-01-12
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Expires: 1977-09-20
Abstract
No abstract record available.
Inventors
- 👤 Bauder Ulrich
- 👤 Barthelmess Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:25
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/30; B65B1/46; G; G01; G01F; G01F13/00; G01F13/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2273330A
Cited
US2753099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |