US3146557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polishing and tumbling machines and barrels therefor
Assignee: Individual
•
Filing: 1963-02-04
•
Granted: 1964-09-01
•
Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Smith Edward Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:51
CPC Classifications
B; B24; B24B; B24B31/00; B24B31/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A TUMBLING AND POLISHING BARREL COMPRISING A POLYHEDRAL BODY INCLUDING A PLANAR POLYGONAL BASE AT ONE END, AN OPENING OF POLYGONAL SHAPE AT THE OPPOSITE END, SAID BODY BEING ROTATABLE IN USE ABOUT AN AXIS PASSING THROUGH THE CENTER OF SAID BASE AND THE CENTER OF SAID OPENING, SAID BODY FURTHER INCLUDING A PLURALITY OF SIDE PANELS INTER-CONNECTING THE BASE AND SAID OPPOSITE END OF THE BODY, SAID SIDE PANELS INCLUDING A FIRST GROUP OF ANGULARLY SPACED TRAPEZOIDAL PANELS PROJECTING FROM ADJACENT SAID OPENING TOWARDS THE BASE AND OUTWARDLY RELATIVE TO SAID AXIS, AND A SECOND GROUP OF TRAPEZOIDAL PANELS CORRESPONDING IN NUMBER AND GENERAL ARRANGEMENT TO SAID FIRST GROUP OF PANELS, SAID SECOND GROUP OF PANELS PROJECTING GENERALLY FROM SAID BASE WITH ADJACENT PANELS OF SAID SECOND GROUP EXTENDING INWARDLY AND OUTWARDLY RESPECTIVELY FROM THE BASE, RELATIVE TO SAID AXIS.
Claim 2
Dependent Claim
141 words
A TUMBLING AND POLISHING BARREL COMPRISING A POLYHEDRAL BODY INCLUDING A PLANAR POLYGONAL BASE AT ONE END, AN OPENING OF POLYGONAL SHAPE AT THE OPPOSITE END, SAID BODY BEING ROTATABLE IN USE ABOUT AN AXIS PASSING THROUGH THE CENTER OF SAID BASE AND THE CENTER OF SAID OPENING, SAID BODY FURTHER INCLUDING A PLURALITY OF SIDE PANELS INTER-CONNECTING THE BASE AND SAID OPPOSITE END OF THE BODY, SAID SIDE PANELS INCLUDING A FIRST GROUP OF ANGULARLY SPACED TRAPEZOIDAL PANELS PROJECTING FROM ADJACENT SAID OPENING TOWARDS THE BASE AND OUTWARDLY RELATIVE TO SAID AXIS, AND A SECOND GROUP OF TRAPEZOIDAL PANELS CORRESPONDING IN NUMBER AND GENERAL ARRANGEMENT TO SAID FIRST GROUP OF PANELS, SAID SECOND GROUP OF PANELS PROJECTING GENERALLY FROM SAID BASE WITH ADJACENT PANELS OF SAID SECOND GROUP EXTENDING INWARDLY AND OUTWARDLY RESPECTIVELY FROM THE BASE, RELATIVE TO SAID AXIS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |