Patent US3257004A successfully refreshed from Google Patents.
US3257004A
Expired / Lapsed
US
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Stacking device
Assignee: Individual
•
Filing: 1963-12-16
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Granted: 1966-06-21
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Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Potrafke Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:46
CPC Classifications
A; A47; A47F; A47F10/00; A47F10/02; A47F10/04; B; B65; B65G; B65G57/00; B65G57/02; B65G57/03; B65G57/035; B65G57/16; B65G57/165; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/102; Y10S414/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
IN A STACKING DEVICE FOR STACKING SIMILAR OBJECTS, ESPECIALLY SHOPPING BASKETS IN SELF-SERVICE STORES: SUPPORTING MEANS MOVABLE UPWARDLY AND DOWNWARDLY FOR RECEIVING AND SUPPORTING THE BASKETS TO BE STACKED, GUIDING MEANS ENGAGED BY SAID SUPPORTING PLATE MEANS AT ONE SIDE EDGE OF THE SUPPORTING PLATE MEANS FOR GUIDING THE LATTER DURING ITS UPWARD AND DOWNWARD MOVEMENT, MEANS INCLUDING POWER STORAGE MEANS CONNECTED TO SAID SUPPORTING MEANS AND OPERABLE TO MOVE THE LATTER TO ITS ELEVATED POSITION WHEN SAID SUPPORTING PLATE MEANS DOES NOT SUPPORT ANY OBJECTS TO BE STACKED, A PLURALITY OF STOP MEANS OFFSET FROM EACH OTHER BOTH IN HORIZONTAL AND VERTICAL DIRECTION AND BEING OPERABLE SELECTIVELY AND INDIVIDUALLY TO BE MOVED INTO AND OUT OF THE PATH OF MOVEMENT OF SAID SUPPORTING MEANS FOR SELECTIVELY ABUTING SAID SUPPORTING PLATE MEANS FROM BENEATH AND POSITIVELY STOPPING SAID SUPPORTING PLATE MEANS, AND MEANS OPERATIVELY CONNECTED TO SAID STOP MEANS AND OPERABLE TO ACTUATE THE SAME INTO AND OUT OF EFFECTIVE POSITION.
Claim 2
Dependent Claim
161 words
IN A STACKING DEVICE FOR STACKING SIMILAR OBJECTS, ESPECIALLY SHOPPING BASKETS IN SELF-SERVICE STORES: SUPPORTING MEANS MOVABLE UPWARDLY AND DOWNWARDLY FOR RECEIVING AND SUPPORTING THE BASKETS TO BE STACKED, GUIDING MEANS ENGAGED BY SAID SUPPORTING PLATE MEANS AT ONE SIDE EDGE OF THE SUPPORTING PLATE MEANS FOR GUIDING THE LATTER DURING ITS UPWARD AND DOWNWARD MOVEMENT, MEANS INCLUDING POWER STORAGE MEANS CONNECTED TO SAID SUPPORTING MEANS AND OPERABLE TO MOVE THE LATTER TO ITS ELEVATED POSITION WHEN SAID SUPPORTING PLATE MEANS DOES NOT SUPPORT ANY OBJECTS TO BE STACKED, A PLURALITY OF STOP MEANS OFFSET FROM EACH OTHER BOTH IN HORIZONTAL AND VERTICAL DIRECTION AND BEING OPERABLE SELECTIVELY AND INDIVIDUALLY TO BE MOVED INTO AND OUT OF THE PATH OF MOVEMENT OF SAID SUPPORTING MEANS FOR SELECTIVELY ABUTING SAID SUPPORTING PLATE MEANS FROM BENEATH AND POSITIVELY STOPPING SAID SUPPORTING PLATE MEANS, AND MEANS OPERATIVELY CONNECTED TO SAID STOP MEANS AND OPERABLE TO ACTUATE THE SAME INTO AND OUT OF EFFECTIVE POSITION.
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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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |