Patent US5426751A successfully refreshed from Google Patents.
Patent US3609922A successfully refreshed from Google Patents.
US3609922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orbital sander
Assignee: Metabowerke GmbH and Co
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Filing: 1969-02-17
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Granted: 1971-10-05
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Expires: 1989-02-17
Abstract
Abstract AN ORBITAL SANDER WHEREIN THE OUTPUT SHAFT OF A MOTOR CARRIES AN ECCENTRIC INTERMEDIATE SHAFT CONNECTED WITH A DISK-SHAPED COUNTERWEIGHT WHICH ROTATES IN A COMPARTMENT DEFINED BY TWO SECTIONS OF THE SANDING PAD. EACH SECTION OF THE PAD IS PROVIDED WITH AN ANTIFRICTION BEARING FOR THE INTERMEDIATE SHAFT. THE PAD IS ARTICULARLY CONNECTED WITH THE HOUSING OF THE SANDER BY SEVERAL ELASTIC PINS WHICH EXTEND INTO REGISTERING RECESSES TAPERING IN DIRECTIONS AWAY FROM EACH OTHER AND RESPECTIVELY PROVIDED IN THE UPPER SECTION OF THE PAD AND IN A CLOSURE FOR THE MOTOR.
Inventors
- 👤 Albrecht Schnizler
- 👤 Hermann Kieser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:25
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |