US3210241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for manufacturing laboratory articles such as samples of paper sheets
Assignee: G GRAUSS ETS
•
Filing: 1963-05-08
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Granted: 1965-10-05
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Expires: 1983-05-08
Abstract
No abstract record available.
Inventors
- 👤 Grauss Georges
- 👤 Sauret Georges
- 👤 Jacquelin Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:59
CPC Classifications
D; D21; D21D; D21D5/00; D21D5/02; D21D5/06; D21D5/18
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
67 words
IN THE PROCESS OF MANUFACTURING SAMPLES OF SHEETS OF PAPER IN THE LABORATORY BY CENTRIFUGAL FORMING ON A ROTATING CYLINDRICAL SURFACE, THE STEPS COMPRISING, IN THE ORDER RECITED: ROTATING SAID CYLINDRICAL SURFACE ABOUT ITS LONGITUDINAL AXIS; FORMING A FLUID FILM OVER THE INNER FACE OF SAID CYLINDRICAL SURFACE; PROJECTING PAPER PULP ONTO SAID INNER FACE WHILE MAINTAINING SAID FILM AT LEAST UNTIL SAID PROJECTION HAS BEEN TERMINATED.
Claim 2
Dependent Claim
67 words
IN THE PROCESS OF MANUFACTURING SAMPLES OF SHEETS OF PAPER IN THE LABORATORY BY CENTRIFUGAL FORMING ON A ROTATING CYLINDRICAL SURFACE, THE STEPS COMPRISING, IN THE ORDER RECITED: ROTATING SAID CYLINDRICAL SURFACE ABOUT ITS LONGITUDINAL AXIS; FORMING A FLUID FILM OVER THE INNER FACE OF SAID CYLINDRICAL SURFACE; PROJECTING PAPER PULP ONTO SAID INNER FACE WHILE MAINTAINING SAID FILM AT LEAST UNTIL SAID PROJECTION HAS BEEN TERMINATED.
Claim 3
Independent Claim
34 words
A DEVICE FOR MANUFACTURING SAMPLES OF SHEETS OF PAPER, IN THE LABORATORY, COMPRISING A CYLINDRICAL DRUM HAVING A CONTINUOUS, FLUID-TIGHT CYLINDRICAL WALL, SAID DRUM ALSO HAVING ONE OF ITS ENDS SEALED, MEANS FOR ROTAT-
Claim 4
Independent Claim
34 words
A DEVICE FOR MANUFACTURING SAMPLES OF SHEETS OF PAPER, IN THE LABORATORY, COMPRISING A CYLINDRICAL DRUM HAVING A CONTINUOUS, FLUID-TIGHT CYLINDRICAL WALL, SAID DRUM ALSO HAVING ONE OF ITS ENDS SEALED, MEANS FOR ROTAT-
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |