US3153435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shredder and chopper
Assignee: Individual
•
Filing: 1963-11-21
•
Granted: 1964-10-20
•
Expires: 1983-11-21
Abstract
No abstract record available.
Inventors
- 👤 Howard C Ober
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:49
CPC Classifications
B; B02; B02C; B02C21/00; B02C21/02; B02C18/00; B02C18/06; B02C18/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A SHREDDER COMPRISING A HOPPER HAVING A MAIN FEED OPENING FOR RECEIVING MATERIAL TO BE SHREDDED, A ROTARY CUTTER IN SAID HOPPER FOR SHREDDING THE MATERIAL, POWER MEANS TO DRIVE THE CUTTER, SAID HOPPER HAVING DISCHARGE OPENINGS THEREIN THROUGH WHICH THE SHREDDED MATERIAL IS DISCHARGED CONTINUOUSLY DURING THE SHREDDING OPERATION SAID HOPPER HAVING A SUPPLEMENTAL FEED OPENING THROUGH WHICH MATERIAL CAN BE FED INTO THE HOPPER, AND SUPPLEMENTAL CUTTER MEANS IN THE HOPPER ADJACENT SAID SUPPLEMENTAL OPENING AND COOPERABLE WITH THE ROTARY CUTTER TO CUT OFF MATERIAL PROGRESSIVELY AS IT ENTERS THE HOPPER THROUGH SAID SUPPLEMENTAL OPENING.
Claim 2
Dependent Claim
97 words
A SHREDDER COMPRISING A HOPPER HAVING A MAIN FEED OPENING FOR RECEIVING MATERIAL TO BE SHREDDED, A ROTARY CUTTER IN SAID HOPPER FOR SHREDDING THE MATERIAL, POWER MEANS TO DRIVE THE CUTTER, SAID HOPPER HAVING DISCHARGE OPENINGS THEREIN THROUGH WHICH THE SHREDDED MATERIAL IS DISCHARGED CONTINUOUSLY DURING THE SHREDDING OPERATION SAID HOPPER HAVING A SUPPLEMENTAL FEED OPENING THROUGH WHICH MATERIAL CAN BE FED INTO THE HOPPER, AND SUPPLEMENTAL CUTTER MEANS IN THE HOPPER ADJACENT SAID SUPPLEMENTAL OPENING AND COOPERABLE WITH THE ROTARY CUTTER TO CUT OFF MATERIAL PROGRESSIVELY AS IT ENTERS THE HOPPER THROUGH SAID SUPPLEMENTAL OPENING.
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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |