Patent US2833637A successfully refreshed from Google Patents.
US2833637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buffing wheel
Assignee: Hanson Van Winkle Munning Co
•
Filing: 1953-11-09
•
Granted: 1958-05-06
•
Expires: 1973-11-09
Abstract
No abstract record available.
Inventors
- 👤 Henry G Zucker
- 👤 Warren S Wilkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:35
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A BUFFING WHEEL SECTION COMPRISING AN ASSEMBLAGE OF A PLURALITY OF LAYERS OF WOVEN CLOTH, EACH OF SAID LAYERS OF CLOTH BEING UNIFORMLY BUT LIGHTLY IMPREGNATED THROUGHOUT ITS ENTIRE BODY WITH A LUBRICANT COMPOSITION FREE OF ANY ABRASIVE AND INCLUDING A NON-DRYING FATTY ACID AS AN ESSENTIAL CONSTITUENT.
Claim 2
Dependent Claim
48 words
A BUFFING WHEEL SECTION COMPRISING AN ASSEMBLAGE OF A PLURALITY OF LAYERS OF WOVEN CLOTH, EACH OF SAID LAYERS OF CLOTH BEING UNIFORMLY BUT LIGHTLY IMPREGNATED THROUGHOUT ITS ENTIRE BODY WITH A LUBRICANT COMPOSITION FREE OF ANY ABRASIVE AND INCLUDING A NON-DRYING FATTY ACID AS AN ESSENTIAL CONSTITUENT.
References Cited (Backward Citations)
US1511245A
Cited
US1633523A
Cited
US1644053A
Cited
US1964901A
Cited
US2078876A
Cited
US2477234A
Cited
US2642706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |