US3606057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Triskelion Corp
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Filing: 1970-04-02
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Granted: 1971-09-20
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Expires: 1990-04-02
Abstract
Abstract A BAG RECEIVING HOPPER HAVING TWO HINGED BLADES THEREIN. THE BLADES HAVING UNDULATING CUTTING EDGES AND BEING ARRANGED FOR SIDE-BY-SIDE CONTACT DURING CUTTING. ONE OF SAID BLADES BEING LONGITUDINALLY DISPLACEABLE WITH RESPECT TO THE OTHER AND SAID BLADES BEING PIVOTED AWAY FROM EACH OTHER DURING THE BAG EMPTYING OPERATION. A COVER IS PROVIDED FOR SAID HOPPER TO RETAIN DUST WITHIN SAID HOPPER AND SAID HOPPER COMMUNICATES WITH A PRODUCT RECEIVING HOPPER LOCATED THEREBELOW. SAID PRODUCT RECEIVING HOPPER HAS CONVEYOR MEANS COMMUNICATING THEREWITH.
Inventors
- 👤 Robert June
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:56
CPC Classifications
B; B65; B65B; B65B69/00; B65B69/0008
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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |