Patent US2544524A successfully refreshed from Google Patents.
US2544524A
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US
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Combined pouring and sifting device for powdered material
Assignee: Individual
•
Filing: 1946-01-03
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Granted: 1951-03-06
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Expires: 1966-01-03
Abstract
No abstract record available.
Inventors
- 👤 Bonnefoy Pierre Edouard Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:20
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/72; B65D5/74; B65D5/741; B65D5/743; B65D5/744
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1227121A
Cited
US1468359A
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US1537408A
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US1592143A
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US1830057A
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US2361958A
Cited
US2327420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |