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US2619718A
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Assignee: Individual
•
Filing: 1951-01-05
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Granted: 1952-12-02
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Expires: 1971-01-05
Abstract
No abstract record available.
Inventors
- 👤 William J Landry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:02
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/30; B67B7/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US600595A
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US748993A
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US2563569A
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US966650A
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US1443783A
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US1684414A
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US1533599A
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US2148130A
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US2383929A
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US2411293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |