US3175567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for effecting ultrasonic cleaning of the interior of vessels
Assignee: Allard Way Holdings Ltd
•
Filing: 1963-08-08
•
Granted: 1965-03-30
•
Expires: 1983-08-08
Abstract
No abstract record available.
Inventors
- 👤 Crawford Alan Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:40
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
APPARATUS FOR CLEANING THE INTERIOR OF VESSELS, COMPRISING AN ELECTROMECHANICAL TRANSDUCER HAVING A VIBRATORY PART, A SHOE SECURED TO SAID VIBRATORY PART, SAID SHOE HAVING AN APPLICATION SURFACE OF SUCH CONTOUR AS THE MAKE INTIMATE CONTACT WITH THE EXTERNAL SURFACE OF THE VESSEL
Claim 2
Dependent Claim
43 words
APPARATUS FOR CLEANING THE INTERIOR OF VESSELS, COMPRISING AN ELECTROMECHANICAL TRANSDUCER HAVING A VIBRATORY PART, A SHOE SECURED TO SAID VIBRATORY PART, SAID SHOE HAVING AN APPLICATION SURFACE OF SUCH CONTOUR AS THE MAKE INTIMATE CONTACT WITH THE EXTERNAL SURFACE OF THE VESSEL
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |