US2346945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulp consistency testing apparatus
Assignee: Hammermill Paper Co
•
Filing: 1941-09-16
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Granted: 1944-04-18
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Expires: 1961-09-16
Abstract
No abstract record available.
Inventors
- 👤 Edward W Samson
- 👤 Alfred H Croup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:51
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/06; G01N15/0606; G01N15/0618
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-04-18 | 1947-10-18 | 1948-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-04-18 | 1951-10-18 | 1952-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-04-18 | 1955-10-18 | 1956-04-18 | $7700.00 | Window Closed / Lapsed |