US2634406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1949-04-13
•
Granted: 1953-04-07
•
Expires: 1969-04-13
Abstract
No abstract record available.
Inventors
- 👤 Jones Mary Katherine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:43
CPC Classifications
G; G08; G08B; G08B7/00; G08B7/06; G08B7/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US935320A
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US1080167A
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US1796668A
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US1781520A
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US1867134A
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US2432324A
Cited
US2407411A
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US2478689A
Cited
US2463050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |