US3346903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buffing wheel
Assignee: Rockwell-Standard Corp
•
Filing: 1964-12-18
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Granted: 1967-10-17
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Expires: 1984-12-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Michael S Darak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:08
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A BUFFING WHEEL COMPRISING A RELATIVELY STIFF, THIN WALLED, CENTRAL SUPPORT OF HARD SHEET MATERIAL, TWO ANNULAR ROWS OF SIDE-BY-SIDE SEPARATE BUFFING SECTORS EXTENDING RADIALLY OUTWARDLY FROM SAID SUPPORT ON OPPOSITE SIDES THEREOF, MEANS CIRCUMFERENTIALLY INDIVIDUALLY FASTENING ALL OF SAID SECTORS OF SAID TWO ROWS TO SAID SUPPORT NEAR ITS RADIAL OUTER EDGE, EACH OF SAID SECTORS INDIVIDUALLY COMPRISING A PLURALITY OF SEPARATE LAYERS OF FIBROUS MATERIAL, SAID LAYERS OF FIBROUS MATERIAL BEING CLOSELY COMPRESSED TOGETHER ACROSS THEIR ENTIRE SURFACES BY ROWS OF TIGHT, CLOSELY SPACED STITCHES TO RIGIDIFY SAID LAYERS OF FIBROUS MATERIAL, SAID SECTORS REMAINING SEPARATE FROM EACH OTHER IN ASSEMBLY.
Claim 2
Dependent Claim
103 words
A BUFFING WHEEL COMPRISING A RELATIVELY STIFF, THIN WALLED, CENTRAL SUPPORT OF HARD SHEET MATERIAL, TWO ANNULAR ROWS OF SIDE-BY-SIDE SEPARATE BUFFING SECTORS EXTENDING RADIALLY OUTWARDLY FROM SAID SUPPORT ON OPPOSITE SIDES THEREOF, MEANS CIRCUMFERENTIALLY INDIVIDUALLY FASTENING ALL OF SAID SECTORS OF SAID TWO ROWS TO SAID SUPPORT NEAR ITS RADIAL OUTER EDGE, EACH OF SAID SECTORS INDIVIDUALLY COMPRISING A PLURALITY OF SEPARATE LAYERS OF FIBROUS MATERIAL, SAID LAYERS OF FIBROUS MATERIAL BEING CLOSELY COMPRESSED TOGETHER ACROSS THEIR ENTIRE SURFACES BY ROWS OF TIGHT, CLOSELY SPACED STITCHES TO RIGIDIFY SAID LAYERS OF FIBROUS MATERIAL, SAID SECTORS REMAINING SEPARATE FROM EACH OTHER IN ASSEMBLY.
References Cited (Backward Citations)
US663912A
Cited
US713201A
Cited
US968431A
Cited
US1473765A
Cited
US1890502A
Cited
DE674568C
Cited
US2215522A
Cited
US2506288A
Cited
US2687602A
Cited
FR1102115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |