US2470615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sander
Assignee: Individual
•
Filing: 1947-04-04
•
Granted: 1949-05-17
•
Expires: 1967-04-04
Abstract
No abstract record available.
Inventors
- 👤 Lyndon V Grover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:23
CPC Classifications
B; B24; B24B; B24B21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US894851A
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US1042354A
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US1049214A
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US1191045A
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US1356338A
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US1635399A
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US1589196A
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US1701814A
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US1621931A
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US1749898A
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Cited
US2282658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |