Patent US3107745A successfully refreshed from Google Patents.
US3107745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring scale
Assignee: Abbott Laboratories
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Filing: 1961-11-16
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Granted: 1963-10-22
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Expires: 1981-11-16
Abstract
No abstract record available.
Inventors
- 👤 Albert F Bujan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:22
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)
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 |