Patent US2539283A successfully refreshed from Google Patents.
US2539283A
Expired / Lapsed
US
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Oscillatory metering chamber dispenser for small containers
Assignee: Individual
•
Filing: 1945-02-13
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Granted: 1951-01-23
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Expires: 1965-02-13
Abstract
No abstract record available.
Inventors
- 👤 Robert M Strachan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:40
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/10; G01F11/12; G01F11/20; G01F11/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US352925A
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US978988A
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US1278841A
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US1368270A
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US1577235A
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US1710233A
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US1720096A
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US1853493A
Cited
US1996044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-22 | 1954-07-24 | 1955-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-22 | 1958-07-24 | 1959-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-22 | 1962-07-24 | 1963-01-23 | $7700.00 | Window Closed / Lapsed |