US3462889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pad holder and driver
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1967-10-12
•
Granted: 1969-08-26
•
Expires: 1987-10-12
Abstract
No abstract record available.
Inventors
- 👤 Harry W Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:04
CPC Classifications
B; B24; B24D; B24D9/00; B24D9/08; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL81321C
Cited
US2501554A
Cited
US2706875A
Cited
US2958166A
Cited
CH395451A
Cited
US3302232A
Cited
US3341984A
Cited
US3354488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |