US2777700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gravel distributing device for road surfacing machines
Assignee: Individual
•
Filing: 1952-06-17
•
Granted: 1957-01-15
•
Expires: 1972-06-17
Abstract
No abstract record available.
Inventors
- 👤 Valantin Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:33
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/21; G; G01; G01F; G01F15/00; G01F15/001; E01C19/20; E01C2019/2055; E01C2019/207; E01C2019/2095
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US533252A
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US1702525A
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US894859A
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US1048165A
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US1588837A
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US1748141A
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US1838631A
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US2159554A
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US2303486A
Cited
US2403820A
Cited
FR976899A
Cited
FR985817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |