Patent US3416261A successfully refreshed from Google Patents.
US3416261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanding and polishing machine
Assignee: US PLYWOOD Corp A CORP OF
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Filing: 1966-10-19
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Granted: 1968-12-17
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Expires: 1986-10-19
Abstract
No abstract record available.
Inventors
- 👤 Floyd F Sherman
- 👤 Robert R Staples
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:59
CPC Classifications
B; B24; B24B; B24B35/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A SANDING AND POLISHING MACHINE COMPRISING, A TABLE, MEANS TO CONVEY WORK PIECES ALONG THE TABLE, MEANS DEFINING GUIDE GROOVES PARALLEL TO AND ABOVE THE CONVEYOR MEANS AT EITHER SIDE OF THE TABLE, A PLATE HAVING ITS ENDS IN THE GUIDE GROOVES AND SLIDABLE IN THE GROOVES IN THE DIRECTION OF MOVEMENT OF THE CONVEYOR MEANS AND TRANSVERSELY THERETO, ROOLERS CARRIED BY THE PLATE AND EITHER SIDE OF THE PLATE, AN ABRASIVE SHEET WOUND UPON THE ROLLERS AND UNDERLYING THE PLATE INTERMEDIATE THE ROLLERS, MEANS TO IMPART A RECIPROCATING FORCE TO THE PLATE IN A DIRECTION PARALLEL TO THE DIRECTION OF MOVEMENT OF THE CONVEYOR MEANS, AND MEANS TO SIMULTANEOUSLY IMPART A RECIPROCATING FORCE TO THE PLATE TRANSVERSELY TO THE DIRECTION OF MOVEMENT OF THE CONVEYOR MEANS.
Claim 2
Dependent Claim
127 words
A SANDING AND POLISHING MACHINE COMPRISING, A TABLE, MEANS TO CONVEY WORK PIECES ALONG THE TABLE, MEANS DEFINING GUIDE GROOVES PARALLEL TO AND ABOVE THE CONVEYOR MEANS AT EITHER SIDE OF THE TABLE, A PLATE HAVING ITS ENDS IN THE GUIDE GROOVES AND SLIDABLE IN THE GROOVES IN THE DIRECTION OF MOVEMENT OF THE CONVEYOR MEANS AND TRANSVERSELY THERETO, ROOLERS CARRIED BY THE PLATE AND EITHER SIDE OF THE PLATE, AN ABRASIVE SHEET WOUND UPON THE ROLLERS AND UNDERLYING THE PLATE INTERMEDIATE THE ROLLERS, MEANS TO IMPART A RECIPROCATING FORCE TO THE PLATE IN A DIRECTION PARALLEL TO THE DIRECTION OF MOVEMENT OF THE CONVEYOR MEANS, AND MEANS TO SIMULTANEOUSLY IMPART A RECIPROCATING FORCE TO THE PLATE TRANSVERSELY TO THE DIRECTION OF MOVEMENT OF THE CONVEYOR MEANS.
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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |