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Patent US2683932A successfully refreshed from Google Patents.
US2683932A
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Apparatus for supplying predetermined quantities of fluid or plastic substances
Assignee: Lever Brothers Co
•
Filing: 1951-08-27
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Granted: 1954-07-20
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Expires: 1971-08-27
Abstract
No abstract record available.
Inventors
- 👤 Steenhuis Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:58
CPC Classifications
A; A01; A01J; A01J21/00; A01J21/02; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US192128A
Cited
US615421A
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US1171330A
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US1699818A
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US1872103A
Cited
US2539232A
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US2528234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |