US3191350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polishing apparatus
Assignee: Schaffner Manufacturing Co Inc
•
Filing: 1963-01-08
•
Granted: 1965-06-29
•
Expires: 1983-01-08
Abstract
No abstract record available.
Inventors
- 👤 Donald R Yokel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:06
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
94 words
A POLISHING WHEEL FOR POLISHING AN ARTICLE INCLUDING AN ANNULUS OF FLAPS, THE RADIALLY INNER SURFACES OF SAID FLAPS BEING BONDED TOGETHER ALONG A PREDETERMINED LENGTH RADIALLY FROM THE INNER ENDS OF SAID FLAPS TO FORM A HUB FOR SAID WHEEL AND THE REMAINING PORTIONS OF SAID FLAPS EXTENDING AS LEAVES FROM SAID HUBS, THE FLAPS IN SAID ANNULUS INCLUDING A FLAP OF A FIRST TYPE AND A FLAP OF A SECOND TYPE, AND SAID FLAPS BEING SO FORMED THAT WHEN SAID FLAP OF SAID FIRT TYPE AND SAID FLAP OF SAID SECOND TYPE
References Cited (Backward Citations)
US2948090A
Cited
US1216489A
Cited
US2178407A
Cited
US2259475A
Cited
US2274185A
Cited
US2372933A
Cited
US2522093A
Cited
US2524626A
Cited
US2600613A
Cited
US2842902A
Cited
US2808689A
Cited
US2821819A
Cited
US2871632A
Cited
FR1243003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |