US3407656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuous weighing of powdered or granular materials with weight regulation of the flow
Assignee: Societe Generale de Constructions Electriques et Mecaniques
•
Filing: 1967-01-06
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Granted: 1968-10-29
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Expires: 1987-01-06
Abstract
No abstract record available.
Inventors
- 👤 Chadenson Pierre
- 👤 Lepeuve Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:36
CPC Classifications
G; G01; G01G; G01G11/00; G01G11/04; G01G11/043; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/24; G05F1/26; G05F1/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1125705A
Cited
US2920794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |