US3007575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screening apparatus
Assignee: FLSmidth and Co AS
•
Filing: 1958-06-12
•
Granted: 1961-11-07
•
Expires: 1978-06-12
Abstract
No abstract record available.
Inventors
- 👤 Sylvest Karl Jens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:40
CPC Classifications
B; B07; B07B; B07B1/00; B01; B01D; B01D33/00; B01D33/06; B01D33/11; B01D33/44; B01D33/46; B01D33/463; B07B2230/00; B07B2230/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL80683C
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US139585A
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US1135304A
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US1275299A
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BE515859A
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US2751079A
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US2833412A
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US2839970A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |