US3300902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry abrasive honing device
Assignee: Individual
•
Filing: 1964-07-13
•
Granted: 1967-01-31
•
Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Lerner B Dockery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:41
CPC Classifications
B; B24; B24C; B24C9/00; B24C9/006; Y; Y02; Y02P; Y02P70/00; Y02P70/10; Y10; Y10S; Y10S55/00; Y10S55/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
A DRY ABRASIVE HONING DEVICE HAVING A SEPARATOR INCLUDING A CONTROLLED VACUUM SUCTION TUBE HAVING A TOP PORTION AND AN ORIFICE PROVIDED IN SAID TOP PORTION AND A BOTTOM PORTION FORMED BY A SLANTED OPENING, THE SIZE OF THE ORIFICE AND THE SLANTED ANGLE OF THE BOTTOM PORTION BEING DETERMINED BY THE SIZE OF THE SEPARATOR, THE AIR WORKING PRESSURE OF THE SEPARATOR AND THE VOLUME OF ABRASIVES USED BY THE DEVICE, AND AN ABRASIVE PICKUP TUBE EXTENDING HORIZONTALLY INTO THE CONTROLLED VACUUM SUCTION TUBE NEAR THE BOTTOM PORTION THEREOF AND BEING SLANTED DOWNWARDLY WITH THE CONTROLLED VACUUM SUCTION TUBE AND BEING CENTERED IN THE SLANTED OPENING LOCATED IN THE BOTTOM
References Cited (Backward Citations)
CA557181A
Cited
US3058590A
Cited
US1475992A
Cited
US1690629A
Cited
US2200587A
Cited
US3237351A
Cited
GB993540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |