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US2640909A
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Assignee: Individual
•
Filing: 1947-08-19
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Granted: 1953-06-02
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Expires: 1967-08-19
Abstract
No abstract record available.
Inventors
- 👤 Grace M Montgomery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:44
CPC Classifications
B; B60; B60J; B60J3/00; B60J3/02; B60J3/0204; B60J3/0278; B60J3/0282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1626107A
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US1974661A
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US2123319A
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US2247969A
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US2205279A
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US2268189A
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US2181324A
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US2200114A
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US2404627A
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FR904704A
Cited
US2414223A
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US2561881A
Cited
US2461315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |