US3010161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for producing mixed fiber suspensions in air and felts therefrom
Assignee: Wood Conversion Co
•
Filing: 1954-02-16
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Granted: 1961-11-28
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Expires: 1974-02-16
Abstract
No abstract record available.
Inventors
- 👤 Thure C Duvall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:03
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/10; B27N3/14; D; D21; D21H; D21H11/00; D21H5/00; D21H5/26; D21H5/2607; D21H5/2628; D21H5/2635
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US371913A
Cited
GB562308A
Cited
US2451915A
Cited
US2436338A
Cited
US2648876A
Cited
US2676363A
Cited
US2719337A
Cited
US2703441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |