US3084298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load indicating device
Assignee: Individual
•
Filing: 1961-05-24
•
Granted: 1963-04-02
•
Expires: 1981-05-24
Abstract
No abstract record available.
Inventors
- 👤 Frisina John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:19
CPC Classifications
G; G01; G01G; G01G7/00; G01G7/02; G01L; G01L1/00; G01L1/12; G01L1/127
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A LOAD INDICATING DEVICE, MEANS FOR GENERATING A SIGNAL PROPORTIONAL TO THE LOAD, SAID MEANS COMPRISING, A COLUMN OF ELASTIC MATERIAL FIXED AGAINST MOVEMENT AT ONE END AND FREE FOR MOVEMENT AT THE OTHER END UPON THE APPLICATION OF A FORCE TO SAID FREE END, AND AT LEAST ONE DIFFERENTIAL TRANSFORMER ADJACENT SAID COLUMN, SAID TRANSFORMER HAVING A COIL MEMBER OF PRIMARY AND SECONDARY WINDINGS AND A CORE MEMBER AXIALLY POSITIONED WITHIN SAID WINDINGS PARALLEL TO THE AXIS OF THE COLUMN, ONE OF SAID MEMBERS BEING JOINED TO THE COLUMN SO AS TO MOVE RELATIVE TO THE OTHER OF SAID MEMBERS IN THE SAME DIRECTION AS SAID FREE END IN RESPONSE TO THE FORCE APPLIED THERETO,
Claim 2
Dependent Claim
117 words
IN A LOAD INDICATING DEVICE, MEANS FOR GENERATING A SIGNAL PROPORTIONAL TO THE LOAD, SAID MEANS COMPRISING, A COLUMN OF ELASTIC MATERIAL FIXED AGAINST MOVEMENT AT ONE END AND FREE FOR MOVEMENT AT THE OTHER END UPON THE APPLICATION OF A FORCE TO SAID FREE END, AND AT LEAST ONE DIFFERENTIAL TRANSFORMER ADJACENT SAID COLUMN, SAID TRANSFORMER HAVING A COIL MEMBER OF PRIMARY AND SECONDARY WINDINGS AND A CORE MEMBER AXIALLY POSITIONED WITHIN SAID WINDINGS PARALLEL TO THE AXIS OF THE COLUMN, ONE OF SAID MEMBERS BEING JOINED TO THE COLUMN SO AS TO MOVE RELATIVE TO THE OTHER OF SAID MEMBERS IN THE SAME DIRECTION AS SAID FREE END IN RESPONSE TO THE FORCE APPLIED THERETO,
References Cited (Backward Citations)
US2921279A
Cited
US2922971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |