US3214824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaling device for cylindrical objects and the like
Assignee: Individual
•
Filing: 1964-03-06
•
Granted: 1965-11-02
•
Expires: 1984-03-06
Abstract
No abstract record available.
Inventors
- 👤 Otho O Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:00
CPC Classifications
B; B23; B23D; B23D61/00; B23D61/18; B23D61/185; B23D57/00; B23D57/02; B23D57/023; B23D79/00; Y; Y10; Y10T; Y10T29/00; Y10T29/45; Y10T29/4506; Y10T29/4556
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A SCALING OR CLEANING DEVICE FOR THE EXTERIOR SURFACE OF AN ELONGATED SUBSTANTIALLY CYLINDRICAL WORKPIECE, SAID DEVICE COMPRISING AN ELONGATED LENGTH OF CHAIN INCLUDING A SERIES OF KNURLED SPHERES, A PLURALITY OF LINKS, EACH OF SAID SPHERES HAVING DIAMETRICALL-OPPOSED OPENINGS FORMED THEREIN TO RECEIVE, RESPECTIVELY, ONE OF THE ENDS OF A PAIR OF SAID LINKS THERETHROUGH, SAID LINKS EXTENDING THROUGH ADJACENT OPENINGS FORMED IN EACH PAIR OF ADJACENT SPHERES, THE INTERNAL ENDS OF EACH OF SAID LINKS BEING DISPOSED WITHIN EACH OF SAID SPHERES AND TERMINATING INTERIORLY OF SAID SPHERES IN ENLARGED BALL PORTIONS, THE DAMETER OF SAID OPENINGS IN SAID SPHERES BEING LESS THAN THE OUTSIDE DIAMETER OF SAID ENLARGED BALL PORTIONS, EACH OF SAID SPHERES BEING MOUNTED ON ITS RESPECTIVE LINKS FOR AXIAL AND ROTATABLE MOVEMENT THEREON RELATIVE TO AN AXIS THEREOF, AND HANDLE MEANS CONNECTED WITH THE REMOTELYDISPOSED ONES OF SAID SPHERES.
Claim 2
Dependent Claim
145 words
A SCALING OR CLEANING DEVICE FOR THE EXTERIOR SURFACE OF AN ELONGATED SUBSTANTIALLY CYLINDRICAL WORKPIECE, SAID DEVICE COMPRISING AN ELONGATED LENGTH OF CHAIN INCLUDING A SERIES OF KNURLED SPHERES, A PLURALITY OF LINKS, EACH OF SAID SPHERES HAVING DIAMETRICALL-OPPOSED OPENINGS FORMED THEREIN TO RECEIVE, RESPECTIVELY, ONE OF THE ENDS OF A PAIR OF SAID LINKS THERETHROUGH, SAID LINKS EXTENDING THROUGH ADJACENT OPENINGS FORMED IN EACH PAIR OF ADJACENT SPHERES, THE INTERNAL ENDS OF EACH OF SAID LINKS BEING DISPOSED WITHIN EACH OF SAID SPHERES AND TERMINATING INTERIORLY OF SAID SPHERES IN ENLARGED BALL PORTIONS, THE DAMETER OF SAID OPENINGS IN SAID SPHERES BEING LESS THAN THE OUTSIDE DIAMETER OF SAID ENLARGED BALL PORTIONS, EACH OF SAID SPHERES BEING MOUNTED ON ITS RESPECTIVE LINKS FOR AXIAL AND ROTATABLE MOVEMENT THEREON RELATIVE TO AN AXIS THEREOF, AND HANDLE MEANS CONNECTED WITH THE REMOTELYDISPOSED ONES OF SAID SPHERES.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |