US3283450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for surface-finishing metalwork
Assignee: Individual
•
Filing: 1963-10-08
•
Granted: 1966-11-08
•
Expires: 1983-10-08
Abstract
No abstract record available.
Inventors
- 👤 Elmer H Greenberg
- 👤 William B Greenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:00
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/08; B24C3/10; B24C3/12; B24C3/02; B24C3/06; B24C3/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN THE METHOD OF SURFACE-FINISHING METALWORK, THE STEPS WHICH COMPRISE: PROJECTING A FIRST SLURRY OF LIQUID AND FINISHING MATERIAL TRANSVERSELY TOWARD THE WORK FOR IMPINGEMENT THEREON, GRAVITATIONALLY COLLECTING THE FIRST SLURRY, SEPERATELY PROJECTING A SECOND SLURRY OF LIQUID AND A FINISHING MATERIAL DIFFERENT FROM SAID FIRST-MENTIONED FINISHING MATERIAL TRANSVERSELY TOWARD THE WORK FOR IMPINGEMENT THEREON, GRAVITATIONALLY COLLECTING SAID SECOND SLURRY WITH SAID FIRST-MENTIONED SLURRY, SEPARATING THE COLLECTED FIRST AND SECOND FINISHING MATERIALS FROM EACH OTHER AND SEPARATELY RETURNING SAID FIRST AND SECOND FINISHING MATERIALS FOR REPEATED PROJECTION WITH LIQUID.
Claim 2
Dependent Claim
89 words
IN THE METHOD OF SURFACE-FINISHING METALWORK, THE STEPS WHICH COMPRISE: PROJECTING A FIRST SLURRY OF LIQUID AND FINISHING MATERIAL TRANSVERSELY TOWARD THE WORK FOR IMPINGEMENT THEREON, GRAVITATIONALLY COLLECTING THE FIRST SLURRY, SEPERATELY PROJECTING A SECOND SLURRY OF LIQUID AND A FINISHING MATERIAL DIFFERENT FROM SAID FIRST-MENTIONED FINISHING MATERIAL TRANSVERSELY TOWARD THE WORK FOR IMPINGEMENT THEREON, GRAVITATIONALLY COLLECTING SAID SECOND SLURRY WITH SAID FIRST-MENTIONED SLURRY, SEPARATING THE COLLECTED FIRST AND SECOND FINISHING MATERIALS FROM EACH OTHER AND SEPARATELY RETURNING SAID FIRST AND SECOND FINISHING MATERIALS FOR REPEATED PROJECTION WITH LIQUID.
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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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |