US3555599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for shaping of granular substances
Assignee: Vereinigte Aluminium Werke AG
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Filing: 1969-06-18
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Granted: 1971-01-19
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Expires: 1989-06-18
Abstract
Abstract A FORM IS ADAPTED TO ACCOMMODATE A QUANTITY OF GRANULAR MATERIAL AND IS SUSPENDED ON A PLURALITY OF SPRINGS FOR MOVEMENT IN A PLURALITY OF DIRECTIONS, INCLUDING A PAIR OF MUTUALLY OPPOSITE DIRECTIONS. AT LEAST TWO IMBALANCED MASSES ARE MOUNTED ON THE FORM FOR ROTATION IN MUTUALLY OPPOSITE DIRECTIONS. DRIVE MEANS ROTATES THE IMBALANCED MASSES IN SAID DIRECTIONS SO THAT THE VIBRATORY STRESSES TRANSMITTED BY THE ROTATING MASSES TO THE FORM, AND TENDING TO CAUSE MOVEMENT OF THE SAME IN THE PLURALITY OF DIRECTIONS, ARE BALANCED WHEREBY THE FORM PERFORMS MOVEMENTS ONLY IN THE MUTUALLY OPPOSITE DIRECTIONS.
Inventors
- 👤 Gottfried Weinhold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:50
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; B; B30; B30B; B30B11/00; B30B11/02; B30B11/022
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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |