US3278092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the regulated discharge of materials under pressure
Assignee: Kalle GmbH and Co KG
•
Filing: 1964-12-07
•
Granted: 1966-10-11
•
Expires: 1984-12-07
Abstract
No abstract record available.
Inventors
- 👤 Kletschke Hans
- 👤 Schneggenburger Hellmut
- 👤 Macholdt Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:35
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/08; B67D1/12; B67D1/14; B67D1/1405; B65; B65G; B65G53/00; B65G53/34; B65G53/40; B65G53/46; B65G53/4608; B65G53/4625; B65G53/4633; C; C23; C23C; C23C8/00; C23C8/40; F; F16; F16K; F16K5/00; F16K5/04; F16K5/0457; F16K5/0464; G; G05; G05D; G05D7/00; G05D7/01; G05D7/018
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN APPARATUS FOR THE REGULATED DISCHARGE OF MATERIAL FROM A CHAMBER IN WHICH SUPERATMOSPHERIC PRESSURE EXISTS COMPRISING A HOUSING HAVING INLET AND OUTLET OPENINGS THEREIN, A CYLINDRICAL SHAFT ROTATABLY MOUNTED IN THE HOUSING AND HAVING AT LEAST ONE BORE THEREIN ADAPTED TO BE ALTERNATELY ALIGNED WITH THE INLET AND OUTLET OPENINGS IN THE HOUSING DURING ROTATION OF THE SHAFT, AND SEALING MEANS FOR SEALING AT LEAST ONE OF THE INLET AND OUTLET OPENINGS AGAINST THE SURFACE OF THE SHAFT, SAID SEALING MEANS INCLUDING A GUIDE WHICH IS MOVABLE IN A DIRECTION PERPENDICULAR TO THE SURFACE OF THE SHAFT.
Claim 2
Independent Claim
98 words
AN APPARATUS FOR THE REGULATED DISCHARGE OF MATERIAL FROM A CHAMBER IN WHICH SUPERATMOSPHERIC PRESSURE EXISTS COMPRISING A HOUSING HAVING INLET AND OUTLET OPENINGS THEREIN, A CYLINDRICAL SHAFT ROTATABLY MOUNTED IN THE HOUSING AND HAVING AT LEAST ONE BORE THEREIN ADAPTED TO BE ALTERNATELY ALIGNED WITH THE INLET AND OUTLET OPENINGS IN THE HOUSING DURING ROTATION OF THE SHAFT, AND SEALING MEANS FOR SEALING AT LEAST ONE OF THE INLET AND OUTLET OPENINGS AGAINST THE SURFACE OF THE SHAFT, SAID SEALING MEANS INCLUDING A GUIDE WHICH IS MOVABLE IN A DIRECTION PERPENDICULAR TO THE SURFACE OF THE SHAFT.
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |