US3103253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion detector
Assignee: Toledo Scale Corp
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Filing: 1959-07-24
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Granted: 1963-09-10
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Expires: 1979-07-24
Abstract
No abstract record available.
Inventors
- 👤 Paul L Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:42
CPC Classifications
G; G01; G01G; G01G23/00; G01G23/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A MEASURING DEVICE COMPRISING, IN COMBINATION, A CONDITION RESPONSIVE MEMBER, A DASHPOT HAVING A MOVABLE PLUNGER AND FUNCTIONING TO SUPPRESS CONTINUED OSCILLATION OF THE MEMBER FOLLOWING SUDDEN CHANGES IN SAID CONDITION, AND A MOTION DETECTOR CARRIED BY THE MEMBER AND CONNECTING THE DASHPOT PLUNGER TO THE MEMBER, SAID MOTION DETECTOR INCLUDING A PIVOTALLY MOUNTED LEVER CONNECTED TO THE DASHPOT PLUNGER, TWO SETS OF ELECTRICAL CONTACTS MOUNTED ADJACENT THE LEVER, THE CONTACTS BEING NORMALLY CLOSED AND CONNECTED IN SERIES IN AN ELECTRICAL CIRCUIT, ADJUSTABLE STOP MEANS FOR LIMITING TRAVEL OF THE LEVER RELATIVE TO THE CONTACTS, THE LEVER BEING PIVOTED AGAINST THE STOP MEANS WHENEVER THE CONDITION RESPONSIVE MEMBER MOVES, AND MEANS OPERATED BY THE LEVER FOR HOLDING OPEN ONE OR THE OTHER OF THE SETS OF CONTACTS WHENEVER THE LEVER IS AGAINST THE STOP MEANS, WHEREBY THERE IS AN OPEN CIRCUIT DURING MOTION OF THE CONDITION RESPONSIVE MEMBER AND A CLOSED CIRCUIT WHEN THE CONDITION RESPONSIVE MEMBER IS AT REST.
Claim 2
Dependent Claim
160 words
A MEASURING DEVICE COMPRISING, IN COMBINATION, A CONDITION RESPONSIVE MEMBER, A DASHPOT HAVING A MOVABLE PLUNGER AND FUNCTIONING TO SUPPRESS CONTINUED OSCILLATION OF THE MEMBER FOLLOWING SUDDEN CHANGES IN SAID CONDITION, AND A MOTION DETECTOR CARRIED BY THE MEMBER AND CONNECTING THE DASHPOT PLUNGER TO THE MEMBER, SAID MOTION DETECTOR INCLUDING A PIVOTALLY MOUNTED LEVER CONNECTED TO THE DASHPOT PLUNGER, TWO SETS OF ELECTRICAL CONTACTS MOUNTED ADJACENT THE LEVER, THE CONTACTS BEING NORMALLY CLOSED AND CONNECTED IN SERIES IN AN ELECTRICAL CIRCUIT, ADJUSTABLE STOP MEANS FOR LIMITING TRAVEL OF THE LEVER RELATIVE TO THE CONTACTS, THE LEVER BEING PIVOTED AGAINST THE STOP MEANS WHENEVER THE CONDITION RESPONSIVE MEMBER MOVES, AND MEANS OPERATED BY THE LEVER FOR HOLDING OPEN ONE OR THE OTHER OF THE SETS OF CONTACTS WHENEVER THE LEVER IS AGAINST THE STOP MEANS, WHEREBY THERE IS AN OPEN CIRCUIT DURING MOTION OF THE CONDITION RESPONSIVE MEMBER AND A CLOSED CIRCUIT WHEN THE CONDITION RESPONSIVE MEMBER IS AT REST.
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) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |