Patent US2963907A successfully refreshed from Google Patents.
US2963907A
Expired / Lapsed
US
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Pneumatic weighing apparatus
Assignee: FLSmidth and Co AS
•
Filing: 1957-11-08
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Granted: 1960-12-13
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Expires: 1977-11-08
Abstract
No abstract record available.
Inventors
- 👤 Sylvest Karl Jens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:41
CPC Classifications
G; G01; G01G; G01G11/00; G01G11/06; Y; Y10; Y10S; Y10S177/00; Y10S177/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US719446A
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US1025227A
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US2183374A
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US2206512A
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US2331208A
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US2339289A
Cited
US2671657A
Cited
US2728218A
Cited
US2905538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |