US2433575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for grading articles according to weight by step-by-step vibrationless advancement over a plurality of scales
Assignee: Individual
•
Filing: 1942-08-25
•
Granted: 1947-12-30
•
Expires: 1962-08-25
Abstract
No abstract record available.
Inventors
- 👤 Herbert O Niederer
- 👤 Otto C Niederer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:01
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/16; B07C5/22; Y; Y10; Y10S; Y10S209/00; Y10S209/916
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2037484A
Cited
US1927625A
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DE625621C
Cited
US2099893A
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US2076617A
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US2232437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |