Patent DE444852C successfully refreshed from Google Patents.
Patent US2832268A successfully refreshed from Google Patents.
US2832268A
Expired / Lapsed
US
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Method of improving flow of stock from the stock inlet of a paper machine
Assignee: OUTARIO PAPER Co Ltd
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Filing: 1954-07-29
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Granted: 1958-04-29
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Expires: 1974-07-29
Abstract
No abstract record available.
Inventors
- 👤 Boone Gardner Cornett
- 👤 Burkhard George
- 👤 Wrist Peter Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:17
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/02; D21F1/028
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) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |