US3338431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for stacking articles
Assignee: Weyerhaeuser Co
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Filing: 1965-12-09
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Granted: 1967-08-29
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Expires: 1985-12-09
Abstract
No abstract record available.
Inventors
- 👤 John H Thedick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:54
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/02; B65G57/16; B65G57/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
AN APPARATUS FOR STACKING ARTICLES WHICH COMPRISES IN COMBINATION: ARTICLE FEED CONVEYING MEANS, ARTICLE STACK SUPPORT MEANS, ARTICLE TRANSFER MEANS FOR RECEIVING ARTICLES AT SAID FEED MEANS AND TRANSFERRING THEM TO SAID STACK SUPPORT MEANS, STRIPPING MEANS POSITIONED NEAR SAID STACK SUPPORT MEANS FOR PRESENTING SURFACE MEANS IN THE PATH OF SAID ARTICLES ON SAID TRANSFER MEANS CAUSING SAID ARTICLES TO FORM A LAYER ON SAID STACK SUPPORT AS SAID TRANSFER MEANS MOVES RELATIVE TO SAID STRIPPING MEANS, MEASURING MEANS FOR MEASURING THE DIFFERENCE BETWEEN THE WIDTH OF THE ARTICLE LOAD ON THE SAID TRANSFER MEANS AND THE DESIRED STACK WIDTH, DRIVE MEANS FOR EXTENDING SAID RETRACTING SAID STRIPPING SURFACE MEANS A DISTANCE FROM ONE EDGE OF A DESIRED STACK,
Claim 2
Independent Claim
120 words
AN APPARATUS FOR STACKING ARTICLES WHICH COMPRISES IN COMBINATION: ARTICLE FEED CONVEYING MEANS, ARTICLE STACK SUPPORT MEANS, ARTICLE TRANSFER MEANS FOR RECEIVING ARTICLES AT SAID FEED MEANS AND TRANSFERRING THEM TO SAID STACK SUPPORT MEANS, STRIPPING MEANS POSITIONED NEAR SAID STACK SUPPORT MEANS FOR PRESENTING SURFACE MEANS IN THE PATH OF SAID ARTICLES ON SAID TRANSFER MEANS CAUSING SAID ARTICLES TO FORM A LAYER ON SAID STACK SUPPORT AS SAID TRANSFER MEANS MOVES RELATIVE TO SAID STRIPPING MEANS, MEASURING MEANS FOR MEASURING THE DIFFERENCE BETWEEN THE WIDTH OF THE ARTICLE LOAD ON THE SAID TRANSFER MEANS AND THE DESIRED STACK WIDTH, DRIVE MEANS FOR EXTENDING SAID RETRACTING SAID STRIPPING SURFACE MEANS A DISTANCE FROM ONE EDGE OF A DESIRED STACK,
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |