Patent US2553024A successfully refreshed from Google Patents.
US2553024A
Expired / Lapsed
US
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System and apparatus for distributing and delivering granular materials
Assignee: Individual
•
Filing: 1949-08-08
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Granted: 1951-05-15
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Expires: 1969-08-08
Abstract
No abstract record available.
Inventors
- 👤 George F Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:17
CPC Classifications
F; F23; F23K; F23K3/00; F23K2203/00; F23K2203/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |