USRE27967E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing an even
Assignee: —
•
Filing: 1973-06-27
•
Granted: 1974-04-09
•
Expires: 1993-06-27
Abstract
Abstract THE FIBER ARRANGEMENT REMOVED FROM THE FEED CHUTE IS MONITORED DOWN STREAM OF THE CHUTE TO DETECT DEVIATIONS IN THICKNESS OR MASS OF THE FIBER ARRANGEMENTS FROM A PRESET VALUE SO THAT THE DEVIATIONS ARE USED TO CAUSE AN INCREASE OR DECREASE OF THE PNEUMATIC PRESSURE ACTING ON THE TOP OF THE FIBER FLOCK COLUMN. THE CHANGE IN PRESSURE RESULTS IN A CHANGE IN THE AMOUNT OF PRESSURE DROP TO WHICH THE COLUMN IS SUBJECTED SO THAT THE DEGREE OF CONDENSATION OF THE COLUMN IS LIKEWISE CHANGED TO ELIMINATE OR REDUCE FURTHER DEVIATIONS.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:00
CPC Classifications
D; D01; D01G; D01G23/00; D01G23/08; B; B65; B65G; B65G53/00; B65G53/34; B65G53/66; D01G23/06; G; G01; G01F; G01F1/00; G01F1/74
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) | 1977-04-08 | 1977-10-08 | 1978-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-08 | 1981-10-08 | 1982-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-08 | 1985-10-08 | 1986-04-09 | $7700.00 | Window Closed / Lapsed |