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US2629005A
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Assignee: Individual
•
Filing: 1951-02-09
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Granted: 1953-02-17
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Expires: 1971-02-09
Abstract
No abstract record available.
Inventors
- 👤 William E Engelhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:11
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/22; G05D23/2236; G05D23/2239
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1685995A
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US1930496A
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US2187613A
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US2148491A
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DE640150C
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US2205777A
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US2302320A
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US2471457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |