Patent US2562587A successfully refreshed from Google Patents.
US2562587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonded abrasive
Assignee: IND RES AND ENGINEERING COMPAN
•
Filing: 1948-07-19
•
Granted: 1951-07-31
•
Expires: 1968-07-19
Abstract
No abstract record available.
Inventors
- 👤 Willard P Swearingen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:08
CPC Classifications
A; A61; A61C; A61C3/00; A61C3/06; B; B24; B24D; B24D18/00; Y; Y10; Y10S; Y10S451/00; Y10S451/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
THE METHOD OF BONDING AT LEAST ONE ABRASIVE FROM THE GROUP CONSISTING OF DIAMOND, ALUMINA AND METAL CARBIDES TO A BASE MEMBER BY MEANS OF A BRAZING METAL OF LOWER MELTING POINT THAN THE BASE MEMBER, COMPRISNG THE STEPS OF HEATING IN A NON-OXIDIZING ATMOSPHERE THE BASE MEMBER, ABRASIVE AND BRAZING METAL TO A TEMPERATURE BELOW THE MELTING POINT OF THE BRAZING METAL, PASSING OVER THE SURFACES OF THE BASE MEMBER, ABRASIVE AND BRAZING METAL VAPORS OF AT LEAST ONE LOW BOILING POINT METAL SELECTED FROM THE GROUP CONSISTING OF ZINC AND CADMIUM TO CONDITION THE SURFACES OF THE ABRASIVE AND BASE MEMBER WET-
Claim 2
Independent Claim
104 words
THE METHOD OF BONDING AT LEAST ONE ABRASIVE FROM THE GROUP CONSISTING OF DIAMOND, ALUMINA AND METAL CARBIDES TO A BASE MEMBER BY MEANS OF A BRAZING METAL OF LOWER MELTING POINT THAN THE BASE MEMBER, COMPRISNG THE STEPS OF HEATING IN A NON-OXIDIZING ATMOSPHERE THE BASE MEMBER, ABRASIVE AND BRAZING METAL TO A TEMPERATURE BELOW THE MELTING POINT OF THE BRAZING METAL, PASSING OVER THE SURFACES OF THE BASE MEMBER, ABRASIVE AND BRAZING METAL VAPORS OF AT LEAST ONE LOW BOILING POINT METAL SELECTED FROM THE GROUP CONSISTING OF ZINC AND CADMIUM TO CONDITION THE SURFACES OF THE ABRASIVE AND BASE MEMBER WET-
References Cited (Backward Citations)
US1733241A
Cited
USRE22854E
Cited
US2020117A
Cited
US1848182A
Cited
US2077366A
Cited
US2137329A
Cited
US2137201A
Cited
US2136931A
Cited
US2187384A
Cited
US2339208A
Cited
US2367404A
Cited
US2382666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |