US3236725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable baffle for paper stock inlet
Assignee: Library and Archives Canada
•
Filing: 1963-03-18
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Granted: 1966-02-22
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Philip H Goldsmith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:09
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/02; D21F1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A STOCK FEEDING APPARATUS FOR PAPER MAKING MACHINES COMPRISING A HEADBOX AND A STOCK DISTRIBUTOR THROUGH WHICH STOCK IS INTRODUCED INTO THE HEADBOX THE IMPROVEMENT COMPRISING (A) A STOCK INLET CHAMBER TO COMMUNICATE THE STOCK DISTRIBUTOR WITH THE HEADBOX (B) AT LEAST ONE FLEXIBLE BAFFLE LOCATED WITHIN SAID INLET CHAMBER, SAID BAFFLE HAVING TWO LONGITUDINAL EDGES ONE OF WHICH IS RIGIDLY ATTACHED TO A WALL OF SAID INLET CHAMBER, SAID BAFFLE BEING FLEXIBLE SO AS TO BE DISPOSABLE IN A PLURALITY OF POSITIONS OF ADJUSTMENT AND (C) MEANS FOR SECURING THE BAFFLE IN ANY SELECTED ONE OF THE PLURALITY OF POSITIONS OF ADJUSTMENT.
Claim 2
Dependent Claim
104 words
IN A STOCK FEEDING APPARATUS FOR PAPER MAKING MACHINES COMPRISING A HEADBOX AND A STOCK DISTRIBUTOR THROUGH WHICH STOCK IS INTRODUCED INTO THE HEADBOX THE IMPROVEMENT COMPRISING (A) A STOCK INLET CHAMBER TO COMMUNICATE THE STOCK DISTRIBUTOR WITH THE HEADBOX (B) AT LEAST ONE FLEXIBLE BAFFLE LOCATED WITHIN SAID INLET CHAMBER, SAID BAFFLE HAVING TWO LONGITUDINAL EDGES ONE OF WHICH IS RIGIDLY ATTACHED TO A WALL OF SAID INLET CHAMBER, SAID BAFFLE BEING FLEXIBLE SO AS TO BE DISPOSABLE IN A PLURALITY OF POSITIONS OF ADJUSTMENT AND (C) MEANS FOR SECURING THE BAFFLE IN ANY SELECTED ONE OF THE PLURALITY OF POSITIONS OF ADJUSTMENT.
References Cited (Backward Citations)
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |