US3335528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt grinding and polishing machine
Assignee: Individual
•
Filing: 1964-06-17
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Granted: 1967-08-15
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Expires: 1984-06-17
Abstract
No abstract record available.
Inventors
- 👤 Bader Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:59
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/04; B24B21/12; B24B21/14; B24B23/00; B24B23/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A BELT SANDER COMPRISING A MOUNTING MEMBER HAVING AN INNER PORTION AND AN OUTER PORTION, SAID OUTER PORTION BEING CONNECTED TO AND SUPPORTED BY SAID INNER PORTION, A CONTACT ROLLER MOUNTED ON AND SUPPORTED BY SAID OUTER PORTION, A DRIVE ROLLER MOUNTED ON AND CARRIED BY SAID INNER PORTION; A SECOND MOUNTING MEMBER PIVOTALLY CONNECTED TO SAID INNER PORTION, A ROLLER MOUNTED ON AND SUPPORTED BY SAID SECOND MOUNTING MEMBER, THE OUTER SURFACES OF SAID ROLLERS BEING ADAPTED TO SUPPORT AN ENDLESS BELT THEREAGAINST, AND A PLATE-LIKE RESILIENT SHIELD MEMBER ANCHORED AT ONE END TO SAID INNER PORTION AND ENGAGING SAID SECOND MOUNTING MEMBER AT THE OTHER END TO CAUSE TENSIONING OF SAID BELT MEMBER, SAID SHIELD MEMBER BEING DISPOSED BETWEEN THE ENDLESS BELT AND AN OPERATOR WHEN IN NORMAL OPERATING POSITION.
Claim 2
Dependent Claim
132 words
A BELT SANDER COMPRISING A MOUNTING MEMBER HAVING AN INNER PORTION AND AN OUTER PORTION, SAID OUTER PORTION BEING CONNECTED TO AND SUPPORTED BY SAID INNER PORTION, A CONTACT ROLLER MOUNTED ON AND SUPPORTED BY SAID OUTER PORTION, A DRIVE ROLLER MOUNTED ON AND CARRIED BY SAID INNER PORTION; A SECOND MOUNTING MEMBER PIVOTALLY CONNECTED TO SAID INNER PORTION, A ROLLER MOUNTED ON AND SUPPORTED BY SAID SECOND MOUNTING MEMBER, THE OUTER SURFACES OF SAID ROLLERS BEING ADAPTED TO SUPPORT AN ENDLESS BELT THEREAGAINST, AND A PLATE-LIKE RESILIENT SHIELD MEMBER ANCHORED AT ONE END TO SAID INNER PORTION AND ENGAGING SAID SECOND MOUNTING MEMBER AT THE OTHER END TO CAUSE TENSIONING OF SAID BELT MEMBER, SAID SHIELD MEMBER BEING DISPOSED BETWEEN THE ENDLESS BELT AND AN OPERATOR WHEN IN NORMAL OPERATING POSITION.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |