Patent US4044041A successfully refreshed from Google Patents.
Patent US3204298A successfully refreshed from Google Patents.
US3204298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for breaking compressed fibrous material
Assignee: Maschinenbau Rapp and Seidt
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Filing: 1962-06-07
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Granted: 1965-09-07
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Expires: 1982-06-07
Abstract
No abstract record available.
Inventors
- 👤 Rapp Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:19
CPC Classifications
D; D01; D01G; D01G7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PROCESS OF SIMULTANEOUSLY BREAKING UP AT LEAST TWO SUBSTANTIALLY FLAT SLABS OF COMPRESSED FIBROUS MATERIAL, COMPRISING THE STEPS OF SUPERPOSING AT LEAST TWO SUBSTANTIALLY FLAT SLABS SO THAT THEIR SUPERIMPOSED FACES ARE LOCATED IN A PLANE OF SUPERIMPOSITION AND THEIR END FACE ARE LOCATED IN A COMMON REMOVAL PLANE TRANSVERSAL TO SAID PLANE OF SUPERIMPOSITION; AND REMOVING TUFTS OF FIBROUS MATERIAL SIMULTANEOUSLY FROM THE END FACES OF ALL OF THE SUPERPOSED SLABS IN SAID REMOVAL PLANE IN A DIRECTION SUBSTANTIALLY PARALLEL TO SAID PLANE OF SUPERIMPOSITION.
Claim 2
Dependent Claim
87 words
A PROCESS OF SIMULTANEOUSLY BREAKING UP AT LEAST TWO SUBSTANTIALLY FLAT SLABS OF COMPRESSED FIBROUS MATERIAL, COMPRISING THE STEPS OF SUPERPOSING AT LEAST TWO SUBSTANTIALLY FLAT SLABS SO THAT THEIR SUPERIMPOSED FACES ARE LOCATED IN A PLANE OF SUPERIMPOSITION AND THEIR END FACE ARE LOCATED IN A COMMON REMOVAL PLANE TRANSVERSAL TO SAID PLANE OF SUPERIMPOSITION; AND REMOVING TUFTS OF FIBROUS MATERIAL SIMULTANEOUSLY FROM THE END FACES OF ALL OF THE SUPERPOSED SLABS IN SAID REMOVAL PLANE IN A DIRECTION SUBSTANTIALLY PARALLEL TO SAID PLANE OF SUPERIMPOSITION.
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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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |