US2749682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive tool
Assignee: Individual
•
Filing: 1954-08-23
•
Granted: 1956-06-12
•
Expires: 1974-08-23
Abstract
No abstract record available.
Inventors
- 👤 Patrito Francesco Giorgio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:00
CPC Classifications
B; B24; B24D; B24D99/00; B24D99/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN ENCASED ABRASIVE TOOL COMPRISING AN ABRASIVE STONE AND A CASING ENCLOSING THE STONE ON ALL BUT ITS WORKING SURFACE, SAID CASING BEING MADE OF SYNTHETIC RESIN AND A LOADING SUBSTANCE COMPRISING ABRASIVE MATERIAL, WHEREBY THE RESISTANCE TO ABRASION AND THE TENACITY OF THE CASING ARE LESS THAN THOSE OF THE ENCASED STONE.
Claim 2
Dependent Claim
53 words
AN ENCASED ABRASIVE TOOL COMPRISING AN ABRASIVE STONE AND A CASING ENCLOSING THE STONE ON ALL BUT ITS WORKING SURFACE, SAID CASING BEING MADE OF SYNTHETIC RESIN AND A LOADING SUBSTANCE COMPRISING ABRASIVE MATERIAL, WHEREBY THE RESISTANCE TO ABRASION AND THE TENACITY OF THE CASING ARE LESS THAN THOSE OF THE ENCASED STONE.
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) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |