US3356345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the mechanical production of acoustic vibrations for use in dispersion or like processes
Assignee: Ultrasonics Ltd
•
Filing: 1965-12-27
•
Granted: 1967-12-05
•
Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 Goodman John Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:01
CPC Classifications
G; G10; G10K; G10K5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
IN APPARATUS FOR THE MECHANICAL PRODUCTION OF ACOUSTIC VIBRATIONS FOR PRODUCING DISPERSIONS OF FIBROUS SUBSTANCES IN A LIQUID, THE COMBINATION OF A PIPE SYSTEM FOR CONVEYING SAID FIBRE-BEARING LIQUID UNDER PRESSURE, A PLURALITY OF LIQUID WHISTLES ARRANGED IN PARALLEL IN SAID PIPE SYSTEM, MEANS FOR RENDERING INOPERATIVE EACH WHISTLE INDEPENDENTLY BY CLOSING IT TO THE PASSAGE OF SAID LIQUID, MEANS FOR PASSING A FLUSHING FLUID UNDER PRESSURE IN THE REVERSE DIRECTION THROUGH THE JET STRUCTURE OF EACH SAID
Claim 2
Dependent Claim
78 words
IN APPARATUS FOR THE MECHANICAL PRODUCTION OF ACOUSTIC VIBRATIONS FOR PRODUCING DISPERSIONS OF FIBROUS SUBSTANCES IN A LIQUID, THE COMBINATION OF A PIPE SYSTEM FOR CONVEYING SAID FIBRE-BEARING LIQUID UNDER PRESSURE, A PLURALITY OF LIQUID WHISTLES ARRANGED IN PARALLEL IN SAID PIPE SYSTEM, MEANS FOR RENDERING INOPERATIVE EACH WHISTLE INDEPENDENTLY BY CLOSING IT TO THE PASSAGE OF SAID LIQUID, MEANS FOR PASSING A FLUSHING FLUID UNDER PRESSURE IN THE REVERSE DIRECTION THROUGH THE JET STRUCTURE OF EACH SAID
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |