US3316144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow distribution device in a side entry inlet headbox for papermaking
Assignee: General Electric Canada Co
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Filing: 1964-09-29
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Granted: 1967-04-25
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Expires: 1984-09-29
Abstract
No abstract record available.
Inventors
- 👤 Knowles Douglas Wigham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:26
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/02; D21F1/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN A SIDE ENTRY TAPERED MANIFOLD STOCK INLET TO A HEADBOX, A DISTRIBUTOR PLATE COMPRISING A SERIES OF GRIDS POSITIONED TRANSVERSELY OF THE ELONGATED ENTRY CONNECTING THE STOCK INLET TO THE HEADBOX AND POSITIONED IN PLANES SUBSTANTIALLY PARALLEL WITH THE OPPOSED SIDE WALLS OF THE HEADBOX, THE LOWER EDGE OF EACH SAID GRID BEING TAPERED UPWARD, IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE FLOW OF STOCK THEREBY WHEN IN OPERATION.
Claim 2
Dependent Claim
70 words
IN A SIDE ENTRY TAPERED MANIFOLD STOCK INLET TO A HEADBOX, A DISTRIBUTOR PLATE COMPRISING A SERIES OF GRIDS POSITIONED TRANSVERSELY OF THE ELONGATED ENTRY CONNECTING THE STOCK INLET TO THE HEADBOX AND POSITIONED IN PLANES SUBSTANTIALLY PARALLEL WITH THE OPPOSED SIDE WALLS OF THE HEADBOX, THE LOWER EDGE OF EACH SAID GRID BEING TAPERED UPWARD, IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE FLOW OF STOCK THEREBY WHEN IN OPERATION.
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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |