US3073079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-separating finishing machine
Assignee: Roto Finish Co Inc
•
Filing: 1961-10-03
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Granted: 1963-01-15
•
Expires: 1981-10-03
Abstract
No abstract record available.
Inventors
- 👤 Gunther W Balz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:29
CPC Classifications
B; B24; B24B; B24B31/00; B24B31/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A SELF-SEPARATING FINISHING DEVICE COMPRISING AN ABRADING COMPARTMENT AND A STORAGE COMPARTMENT ATTACHED TO AND COMMUNICATING WITH EACH OTHER MOUNTED FOR SUBSTANTIAL FREE MOVEMENT IN SPACE AND ROTATABLE AS A UNIT, A FORAMINOUS MEMBER DISPOSED IN SAID DEVICE BETWEEN ADJACENT OPENINGS IN SAID ABRADING AND SAID STORAGE COMPARTMENTS AND MOVEABLE WITH RESPECT TO ONE
Claim 2
Dependent Claim
54 words
A SELF-SEPARATING FINISHING DEVICE COMPRISING AN ABRADING COMPARTMENT AND A STORAGE COMPARTMENT ATTACHED TO AND COMMUNICATING WITH EACH OTHER MOUNTED FOR SUBSTANTIAL FREE MOVEMENT IN SPACE AND ROTATABLE AS A UNIT, A FORAMINOUS MEMBER DISPOSED IN SAID DEVICE BETWEEN ADJACENT OPENINGS IN SAID ABRADING AND SAID STORAGE COMPARTMENTS AND MOVEABLE WITH RESPECT TO ONE
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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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |