US3199057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load cell transducer
Assignee: Lockheed Martin Corp
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Filing: 1963-05-03
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Granted: 1965-08-03
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Expires: 1983-05-03
Abstract
No abstract record available.
Inventors
- 👤 Gindes Philip
- 👤 Karl H Imhof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:56
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/2206; G01L1/2231
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
AN ELECTRO-MECHANICAL FORCE SENSITIVE ELEMENT COMPRISING A PAIR OF FRUSTO-CONICAL SECTIONS, A CYLINDRICAL PORTION JOINING THE BASES OF SAID SECTIONS TO PROVIDE A HOLLOW BODY, THE NARROW END PORTION OF THE FRUSTO-CONICAL SECTIONS LYING ABOUT THE CENTRAL AXIS OF THE BODY AND EXTENDING OUTWARDLY AWAY FROM THE CYLINDRICAL PORTION, A FLAT LOAD-BEARING SURFACE AT EACH NARROW END PORTION, THE WALLS OF SAID SECTIONS BEING THICKER ADJACENT SAID FLAT LOAD BEARING SURFACE THAN AT THE JUNCTION OF SAID SECTIONS AND THE CYLINDRICAL PORTION, A PAIR OF ANNULAR RINGS INTEGRAL WITH THE CYLINDRICAL PORTION ADJACENT THE BASES OF SAID SECTION S AND SPACED SLIGHTLY FROM THE JUNCTION OF SAID SECTIONS AND THE CYLINDRICAL PORTIOLN, A SERIES OF AT LEAST EIGHT STRAIN SENSITIVE ELEMENTS BONDED TO THE CYLINDRICAL PORTION BETWEEN SAID ANNULAR RINGS, ALTERNATE ELEMENTS HAVING THEIR SENSITIVE AXIS DISPOSED AT RIGHT ANGLES TO EACH OTHER, AND DIAMETRICALLY OPPOSED ELEMENTS HAVING THE SAME SENSITIVE AXES, AND MEANS FOR CONNECTING SAID ELEMENTS FOR USE IN A BRIDGE CIRCUIT, EACH ARM OF SAID BRIDGE CONSISTING OF TWO SERIES-CONNECTED DIAMETRICALLY OPPOSED ELEMENTS.
Claim 2
Dependent Claim
176 words
AN ELECTRO-MECHANICAL FORCE SENSITIVE ELEMENT COMPRISING A PAIR OF FRUSTO-CONICAL SECTIONS, A CYLINDRICAL PORTION JOINING THE BASES OF SAID SECTIONS TO PROVIDE A HOLLOW BODY, THE NARROW END PORTION OF THE FRUSTO-CONICAL SECTIONS LYING ABOUT THE CENTRAL AXIS OF THE BODY AND EXTENDING OUTWARDLY AWAY FROM THE CYLINDRICAL PORTION, A FLAT LOAD-BEARING SURFACE AT EACH NARROW END PORTION, THE WALLS OF SAID SECTIONS BEING THICKER ADJACENT SAID FLAT LOAD BEARING SURFACE THAN AT THE JUNCTION OF SAID SECTIONS AND THE CYLINDRICAL PORTION, A PAIR OF ANNULAR RINGS INTEGRAL WITH THE CYLINDRICAL PORTION ADJACENT THE BASES OF SAID SECTION S AND SPACED SLIGHTLY FROM THE JUNCTION OF SAID SECTIONS AND THE CYLINDRICAL PORTIOLN, A SERIES OF AT LEAST EIGHT STRAIN SENSITIVE ELEMENTS BONDED TO THE CYLINDRICAL PORTION BETWEEN SAID ANNULAR RINGS, ALTERNATE ELEMENTS HAVING THEIR SENSITIVE AXIS DISPOSED AT RIGHT ANGLES TO EACH OTHER, AND DIAMETRICALLY OPPOSED ELEMENTS HAVING THE SAME SENSITIVE AXES, AND MEANS FOR CONNECTING SAID ELEMENTS FOR USE IN A BRIDGE CIRCUIT, EACH ARM OF SAID BRIDGE CONSISTING OF TWO SERIES-CONNECTED DIAMETRICALLY OPPOSED ELEMENTS.
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |