US3203496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weighing head for weighing machine and method
Assignee: Unisys Corp
•
Filing: 1963-07-24
•
Granted: 1965-08-31
•
Expires: 1983-07-24
Abstract
No abstract record available.
Inventors
- 👤 Albert D Harmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:08
CPC Classifications
G; G01; G01G; G01G3/00; G01G3/08; G01G13/00; G01G3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A WEIGHING APPARATUS; A MOVABLE SUPPORT; A PAIR OF VERTICALLY SPACED GENERALLY PARALLEL LEAF SPRINGS MOUNTED AT THEIR INNER ENDS ON SAID SUPPORT; A WEIGHTING BUCKET MOUNTED ON AND SPANNING THE OUTER ENDS OF SAID LEAF SPRINGS; MEANS FOR DETECTING VERTICAL MOVEMENT OF SAID BUCKET TO A PREDETERMINED LEVEL; AND ADJUSTABLE MEANS OPERATIVELY CONNECTED TO SAID BUCKET AND SAID SUPPORT FOR CHANGING THE EFFECTIVE RESISTANCE OF SAID SPRINGS TO DOWNWARD MOVEMENT OF SAID BUCKET, SAID ADJUSTABLE MEANS COMPRISING A LONGITUDINAL GUIDE, GENERALLY PARALLEL TO SAID LEAF SPRINGS, AND HAVING ONE END CARRIED BY SAID SUPPORT AND THE OTHER END CARRIED BY MEANS FIXED RELATIVE TO SAID BUCKET; AND A WEIGHT MEMBER ADJUSTABLE MOVABLE ALONG SIDE GUIDE.
Claim 2
Dependent Claim
117 words
IN A WEIGHING APPARATUS; A MOVABLE SUPPORT; A PAIR OF VERTICALLY SPACED GENERALLY PARALLEL LEAF SPRINGS MOUNTED AT THEIR INNER ENDS ON SAID SUPPORT; A WEIGHTING BUCKET MOUNTED ON AND SPANNING THE OUTER ENDS OF SAID LEAF SPRINGS; MEANS FOR DETECTING VERTICAL MOVEMENT OF SAID BUCKET TO A PREDETERMINED LEVEL; AND ADJUSTABLE MEANS OPERATIVELY CONNECTED TO SAID BUCKET AND SAID SUPPORT FOR CHANGING THE EFFECTIVE RESISTANCE OF SAID SPRINGS TO DOWNWARD MOVEMENT OF SAID BUCKET, SAID ADJUSTABLE MEANS COMPRISING A LONGITUDINAL GUIDE, GENERALLY PARALLEL TO SAID LEAF SPRINGS, AND HAVING ONE END CARRIED BY SAID SUPPORT AND THE OTHER END CARRIED BY MEANS FIXED RELATIVE TO SAID BUCKET; AND A WEIGHT MEMBER ADJUSTABLE MOVABLE ALONG SIDE GUIDE.
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |