Patent US3080936A successfully refreshed from Google Patents.
US3080936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weighing scale
Assignee: Foils Packaging Corp
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Filing: 1957-12-20
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Granted: 1963-03-12
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Expires: 1977-12-20
Abstract
No abstract record available.
Inventors
- 👤 Fred D Sher
- 👤 David D Stueck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:25
CPC Classifications
G; G01; G01G; G01G3/00; G01G3/02; G01G3/08; G01G7/00; G01G7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A WEIGHING SCALE FOR USE IN DETERMINING THE WEIGHT OF A LOAD WITHIN A NARROW BAND RANGING AROUND A PREDETERMINED RATED WEIGHT, COMPRISING STATIONARY SUPPORT MEANS; UPPER AND LOWER CANTILEVER SPRINGS FIXED AT THEIR FIRST ENDS TO THE SUPPORT MEANS AND EXTENDING SUBSTANTIALLY HORIZONTALLY THEREFROM IN MUTUALLY PARALLEL VERTICALLY SPACED RELATION; A LOAD RECEIVING STRUCTURE MOUNTED ON AND INTERCONNECTING THE SECOND ENDS OF SAID CANTILEVER SPRINGS AND SAID STRUCTURE HAVING A VERTICALLY DISPOSED AXIS ALONG WHICH IT CAN OSCILLATE; A HELICAL PRELOADING SPRING DISPOSED WITH ITS AXIS LYING ALONG SAID VERTICALLY DISPOSED AXIS AND WITH ITS ENDS FIXED RESPECTIVELY TO SAID SUPPORT MEANS AND TO SAID LOAD RECEIVING STRUCTURE; AND ELECTRICAL WEIGHT INDICATING MEANS INCLUDING DIFFERENTIAL TRANSFORMER MEANS HAVING RELATIVELY RECIPROCABLE WINDING AND CORE MEMBERS CONNECTED RESPECTIVELY BETWEEN SAID SUPPORT MEANS AND SAID LOAD RECEIVING STRUCTURE FOR RELATIVE MOVEMENT ALONG A VERTICAL AXIS WHEN THE LOAD RECEIVING STRUCTURE IS DEFLECTED.
Claim 2
Dependent Claim
150 words
A WEIGHING SCALE FOR USE IN DETERMINING THE WEIGHT OF A LOAD WITHIN A NARROW BAND RANGING AROUND A PREDETERMINED RATED WEIGHT, COMPRISING STATIONARY SUPPORT MEANS; UPPER AND LOWER CANTILEVER SPRINGS FIXED AT THEIR FIRST ENDS TO THE SUPPORT MEANS AND EXTENDING SUBSTANTIALLY HORIZONTALLY THEREFROM IN MUTUALLY PARALLEL VERTICALLY SPACED RELATION; A LOAD RECEIVING STRUCTURE MOUNTED ON AND INTERCONNECTING THE SECOND ENDS OF SAID CANTILEVER SPRINGS AND SAID STRUCTURE HAVING A VERTICALLY DISPOSED AXIS ALONG WHICH IT CAN OSCILLATE; A HELICAL PRELOADING SPRING DISPOSED WITH ITS AXIS LYING ALONG SAID VERTICALLY DISPOSED AXIS AND WITH ITS ENDS FIXED RESPECTIVELY TO SAID SUPPORT MEANS AND TO SAID LOAD RECEIVING STRUCTURE; AND ELECTRICAL WEIGHT INDICATING MEANS INCLUDING DIFFERENTIAL TRANSFORMER MEANS HAVING RELATIVELY RECIPROCABLE WINDING AND CORE MEMBERS CONNECTED RESPECTIVELY BETWEEN SAID SUPPORT MEANS AND SAID LOAD RECEIVING STRUCTURE FOR RELATIVE MOVEMENT ALONG A VERTICAL AXIS WHEN THE LOAD RECEIVING STRUCTURE IS DEFLECTED.
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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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |