US2537415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing cover for open ends of containers for granular material having a spring-biased reciprocable valve
Assignee: Individual
•
Filing: 1948-07-29
•
Granted: 1951-01-09
•
Expires: 1968-07-29
Abstract
No abstract record available.
Inventors
- 👤 Loeb Noel
- 👤 Margolis Bernard Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:26
CPC Classifications
A; A47; A47K; A47K5/00; A47K5/06; A47K5/10; G; G01; G01F; G01F11/00; G01F11/10; G01F11/12; G01F11/14; G01F11/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US753597A
Cited
US889306A
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US931984A
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US1174674A
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US998389A
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US1067523A
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US1356837A
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US1880823A
Cited
US1904756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |