US3241267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive device and method of fabrication
Assignee: Merit Products Inc
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Filing: 1963-09-26
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Granted: 1966-03-22
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Expires: 1983-09-26
Abstract
No abstract record available.
Inventors
- 👤 Block Aleck
- 👤 Robert M Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:53
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
IN A FLAP-TYPE ABRASIVE DEVICE FOR MOUNTING ON A ROTARY ACTUATOR, AN ARRAY OF RADIAL FLEXIBLE ABRASIVE LEAVES BONDED TOGETHER IN FACEWISE ABUTMENT AND FORMING A CONTINUOUS ANNULUS WITH A GIVEN INNER CIRCUMFERENCE, THE NUMBER OF LEAVES EXCEEDING BY AT LEAST 10 PERCENT THE NUMBER EQUAL TO THE GIVEN INNER CIRCUMFERENCE DIVIDED BY THE THICKNESS OF THE OUTER RADIAL PORTIONS OF THE INDIVIDUAL
Claim 2
Dependent Claim
63 words
IN A FLAP-TYPE ABRASIVE DEVICE FOR MOUNTING ON A ROTARY ACTUATOR, AN ARRAY OF RADIAL FLEXIBLE ABRASIVE LEAVES BONDED TOGETHER IN FACEWISE ABUTMENT AND FORMING A CONTINUOUS ANNULUS WITH A GIVEN INNER CIRCUMFERENCE, THE NUMBER OF LEAVES EXCEEDING BY AT LEAST 10 PERCENT THE NUMBER EQUAL TO THE GIVEN INNER CIRCUMFERENCE DIVIDED BY THE THICKNESS OF THE OUTER RADIAL PORTIONS OF THE INDIVIDUAL
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |