US3083922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shredder rotors for garbage disposers
Assignee: In Sink Erator Manufacturing Co
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Filing: 1961-08-11
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Granted: 1963-04-02
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Expires: 1981-08-11
Abstract
No abstract record available.
Inventors
- 👤 James H Enright
- 👤 Vernon L Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:24
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/26; E03C1/266; E03C1/2665
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
A SHREDDER ROTOR FOR GARBAGE DISPOSERS, AND THE LIKE, COMPRISING A SUBSTANTIALLY CIRCULAR-SHAPED BASE PLATE, SAID BASE PLATE HAVING A SUBSTANTIALLY FLAT UPPER SURFACE, AN OPENING EXTENDING THERETHROUGH IN RADIALLY CENTRALLY DISPOSED POSITION THEREIN, AND A PLURALITY OF OPENINGS THROUGH SAID BASE PLATE, AND FOUR CUTTERS PROJECTING UPWARDLY FROM SAID UPPER SURFACE, TWO OF SAID CUTTERS BEING DISPOSED ON THE OUTER PERIPHERAL EDGE PORTION OF SAID BASE PLATE, THE OTHER TWO OF SAID CUTTERS BEING SPACED INWARDLY FROM THE FIRST TWO MENTIONED CUTTERS, ONE OF SAID OTHER CUTTERS BEING SPACED INWARDLY FROM THE FIRST MENTIONED TWO CUTTERS FURTHER THAN THE OTHER OF SAID OTHER CUTTERS, BOTH OF SAID OTHER CUTTERS BEING ELONGATED AND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |