US3387794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of the automatic processing of paper stocks
Assignee: Individual
•
Filing: 1963-10-11
•
Granted: 1968-06-11
•
Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 Bidwell Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:34
CPC Classifications
D; D21; D21D; D21D1/00; D21D1/002; D21B; D21B1/00; D21B1/04; D21B1/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
105 words
AN AUTOMATED METHOD OF PREPARING PAPER STOCK IN A PRECONDITIONING PHASE COMPRISING THE STEPS, CONTROLLING THE INPUT FLOW OF PREDETERMINED-QUANTITY CHARGES OF UNREFINED BULK FIBROUS MATERIAL AND THE SIMULTANEOUS INPUT FLOW OF PREDETERMINED-QUANTITY CHARGES OF LIQUID BY THE METERING OF THE FLOW OF THE LATTER FOR EFFECTING A FLOW VARIANCE OF THE FORMER TO REALIZE AND MAINTAIN A PREDETERMINED FIBER-TO-LIQUID RATIO, AND REDUCING THE SO-PROPORTIONED FIBER-TO-LIQUID MASS TO A CONTINUOUSLY-FLOWING STOCK SLURRY OF A SELECTED DENSITY VALUE REFLECTIVE OF THE INTIAL FIBER-TO-LIQUID RATIO METERING AND AT A RATE RESPONSIVE TO THE DEMAND OF THE SYSTEM TO WHICH THE SO-REDUCED STOCK SLURRY IS TO BE DELIVERED.
References Cited (Backward Citations)
US3145935A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |