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Patent US3335967A successfully refreshed from Google Patents.
US3335967A
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Scrap metal reduction apparatus
Assignee: Williams Patent Crusher and Pulverizer Co Inc
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Filing: 1964-10-02
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Granted: 1967-08-15
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Expires: 1984-10-02
Abstract
No abstract record available.
Inventors
- 👤 Robert M Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:22
CPC Classifications
B; B02; B02C; B02C13/00; B02C19/00; B02C19/0056; B02C19/0062; Y; Y10; Y10S; Y10S241/00; Y10S241/38
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
APPARATUS FOR REDUCING AUTO BODIES AND THE LIKE TO SMALLER CONCENTRATED METAL CHUNKS INCLUDING A REDUCING MILL, FIRST DRIVE MEANS TO DRIVE SAID MILL, MEANS TO FEED BODIES INTO SAID MILL, A TRAVELLING AND SWINGABLE CURTAIN CONTROLLING THE MOVEMENT OF BODIES IN SAID FEED MEANS, SECOND DRIVE MEANS TO CAUSE SAID CURTAIN TO TRAVEL, THIRD DRIVE MEANS TO CAUSE SAID CURTAIN TO SWING AND PRESS MORE OR LESS UPON BODIES IN SAID FEED MEANS, AND CONTROL MEANS CONNECTED BETWEEN SAID SECOND AND THIRD DRIVE MEANS TO GOVERN SAID THIRD DRIVE MEANS AND SWING SAID CURTAIN MORE OR LESS IN INVERSE RELATION TO THE EFFORT OF SAID SECOND DRIVE MEANS TO CAUSE CURTAIN TRAVEL.
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 |