US2561847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sand removing installation
Assignee: Ateliers Neyret Beylier et Piccard Pictet
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Filing: 1948-02-19
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Granted: 1951-07-24
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Expires: 1968-02-19
Abstract
No abstract record available.
Inventors
- 👤 Danel Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:34
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/02; E02B3/023; Y; Y02; Y02A; Y02A10/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE47217C
Cited
US783196A
Cited
US1069040A
Cited
GB103670A
Cited
GB107121A
Cited
FR487155A
Cited
US1337279A
Cited
US1431367A
Cited
AT107326B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |