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US3107745A Expired / Lapsed US ⏱️ 0.0 years remaining

Spring scale

Assignee: Abbott Laboratories
•
Filing: 1961-11-16
•
Granted: 1963-10-22
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Expires: 1981-11-16
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Abstract

No abstract record available.

Inventors

  • 👤 Albert F Bujan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:02
CPC Classifications
G; G01; G01G; G01G3/00; G01G3/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 93 words
A SPRING SCALE COMPRISING AN ELONGATED TUBULAR BODY HAVING A POLYGONAL CROSS-SECTION, AN ELONGATED MEMBER HAVING A CORRESPONDING POLYGONAL CROSS-SETION AND MOUNTED FOR TRAVEL WITHIN SAID ELONGATED TUBULAR BODY, A SPRING CONNECTING SAID ELONGATED TUBULAR BODY AND SAID ELONGATED MEMBER, A FIRST SCALE DISPOSED ALONG ONE SIDE OF SAID ELONGATED POLYGONAL MEMBER, A SECOND SCALE DISPOSED ALONG ANOTHER SIDE OF SAID ELONGATED POLYGONAL MEMBER, MEANS FOR INDICATING A READING ON A SELECTED ONE OF SAID SCALES, AND MEANS FOR FRICTIONALLY MOUNTING SAID INDICATING MEANS FOR SLIDABLE MOVEMENT RELATIVE SAID FIRST AND SECOND SCALES.
Claim 2
Dependent Claim 93 words
A SPRING SCALE COMPRISING AN ELONGATED TUBULAR BODY HAVING A POLYGONAL CROSS-SECTION, AN ELONGATED MEMBER HAVING A CORRESPONDING POLYGONAL CROSS-SETION AND MOUNTED FOR TRAVEL WITHIN SAID ELONGATED TUBULAR BODY, A SPRING CONNECTING SAID ELONGATED TUBULAR BODY AND SAID ELONGATED MEMBER, A FIRST SCALE DISPOSED ALONG ONE SIDE OF SAID ELONGATED POLYGONAL MEMBER, A SECOND SCALE DISPOSED ALONG ANOTHER SIDE OF SAID ELONGATED POLYGONAL MEMBER, MEANS FOR INDICATING A READING ON A SELECTED ONE OF SAID SCALES, AND MEANS FOR FRICTIONALLY MOUNTING SAID INDICATING MEANS FOR SLIDABLE MOVEMENT RELATIVE SAID FIRST AND SECOND SCALES.

References Cited (Backward Citations)

US1141562A Cited
US2074628A Cited
US2649299A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-10-21 1967-04-22 1967-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-10-21 1971-04-22 1971-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-10-21 1975-04-22 1975-10-22 $7700.00 Window Closed / Lapsed

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