US2714341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for volume and consistency control for paper making stock
Assignee: Individual
•
Filing: 1950-12-28
•
Granted: 1955-08-02
•
Expires: 1970-12-28
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Poirier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:31
CPC Classifications
D; D21; D21G; D21G9/00; D21G9/0009; D21G9/0027; D21F; D21F1/00; D21F1/08; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2506
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US150545A
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DE370422C
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US2403827A
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US2509822A
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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) | 1958-08-01 | 1959-01-31 | 1959-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-01 | 1963-01-31 | 1963-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-01 | 1967-01-31 | 1967-08-02 | $7700.00 | Window Closed / Lapsed |