Patent US2415570A successfully refreshed from Google Patents.
US2415570A
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US
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Assignee: Fairbanks Morse and Co
•
Filing: 1944-05-01
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Granted: 1947-02-11
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Expires: 1964-05-01
Abstract
No abstract record available.
Inventors
- 👤 Willard H Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:38
CPC Classifications
G; G01; G01G; G01G19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US278904A
Cited
US336472A
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US524266A
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US1271497A
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US1797852A
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US1917080A
Cited
FR695115A
Cited
US1980609A
Cited
US2224327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-10 | 1950-08-12 | 1951-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-10 | 1954-08-12 | 1955-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-10 | 1958-08-12 | 1959-02-11 | $7700.00 | Window Closed / Lapsed |