Patent US2615339A successfully refreshed from Google Patents.
US2615339A
Expired / Lapsed
US
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Apparatus for sampling pulp
Assignee: Individual
•
Filing: 1948-11-02
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Granted: 1952-10-28
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Expires: 1968-11-02
Abstract
No abstract record available.
Inventors
- 👤 Holge Sigbjorn Paul Ebbinghaus
- 👤 Rudberg Mac Sigurd
- 👤 Rydberg David Rune
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:47
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/20; G01N1/2035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |