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Patent US2961647A successfully refreshed from Google Patents.
US2961647A
Expired / Lapsed
US
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Device for recording and adding measure units, particularly weight units
Assignee: Kooperativa Forbundet KF Ekonomisk Forening
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Filing: 1956-06-22
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Granted: 1960-11-22
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Expires: 1976-06-22
Abstract
No abstract record available.
Inventors
- 👤 Dzaack Heinz Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:22
CPC Classifications
G; G01; G01G; G01G23/00; G01G23/18; Y; Y10; Y10S; Y10S177/00; Y10S177/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2116086A
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US2385323A
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US2367234A
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US2577820A
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US2591555A
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US2666912A
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US2755020A
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US2766445A
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US2750584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |