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Patent US2579388A successfully refreshed from Google Patents.
US2579388A
Expired / Lapsed
US
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Dispenser for either a measured or an unmeasured quantity of granular material
Assignee: Individual
•
Filing: 1947-07-15
•
Granted: 1951-12-18
•
Expires: 1967-07-15
Abstract
No abstract record available.
Inventors
- 👤 Robert R Lowry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:36
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/30; A47G19/32; A47G19/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US909657A
Cited
US1204111A
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US1719865A
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US1959874A
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US2002039A
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US2032763A
Cited
US2072938A
Cited
US2170955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |