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US3407932A
Expired / Lapsed
US
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Device for the sorting of articles according to weight
Assignee: BENHIL MASCHF
•
Filing: 1967-04-21
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Granted: 1968-10-29
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Expires: 1987-04-21
Abstract
No abstract record available.
Inventors
- 👤 Northoff Karl-Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:01
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/16; B07C5/22; Y; Y10; Y10S; Y10S209/00; Y10S209/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2279947A
Cited
US3349907A
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 |