US3108470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed tonnage indicator for power press
Assignee: Danly Machine Specialties Inc
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Filing: 1960-03-28
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Granted: 1963-10-29
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Expires: 1980-03-28
Abstract
No abstract record available.
Inventors
- 👤 John W Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:42
CPC Classifications
G; G01; G01L; G01L5/00; G01G; G01G19/00; G01G19/14; G01G19/18; G01N; G01N3/00; G01N3/02; G01N3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
AN INDICATOR FOR USE WITH A POWER PRESS OR THE LIKE HAVING MEANS FOR PROVIDING AN ELECTRICAL OUTPUT SIGNAL IN ACCORDANCE WITH THE STRESS IMPOSED ON THE PRESS IN SUCCESSIVE OPERATING CYCLES COMPRISING, IN COMBINATION, AN AMPLIFIER FOR AMPLIFYING THE OUTPUT SIGNAL, VISUAL INDICATOR MEANS COUPLED TO SAID AMPLIFIER AND PROVIDING A COLUMN OF LIGHT, SAID INDICATOR MEANS BEING SO CONSTRUCTED AND ARRANGED THAT THE LENGTH OF THE COLUMN IS INDICATIVE OF THE STRESS IN THE PRESS SO THAT OPERATION OF THE PRESS IS ACCOMPANIED BY A BOBBING COLUMN OF LIGHT WITH THE PEAK VALUE BEING INDICATIVE OF THE MAXIMUM STRESS DEVELOPED IN THE PRESS, AND MEANS FOR INHIBITING THE DROPPING OF THE COLUMN OF LIGHT WHILE LEAVING THE COLUMN FREE TO RESPOND INSTANTANEOUSLY TO CHANGES OF SIGNAL IN THE RISING DIRECTION SO THAT BOBBING IS RESTRICTED TO THE UPPER PORTION OF THE RANGE.
Claim 2
Dependent Claim
144 words
AN INDICATOR FOR USE WITH A POWER PRESS OR THE LIKE HAVING MEANS FOR PROVIDING AN ELECTRICAL OUTPUT SIGNAL IN ACCORDANCE WITH THE STRESS IMPOSED ON THE PRESS IN SUCCESSIVE OPERATING CYCLES COMPRISING, IN COMBINATION, AN AMPLIFIER FOR AMPLIFYING THE OUTPUT SIGNAL, VISUAL INDICATOR MEANS COUPLED TO SAID AMPLIFIER AND PROVIDING A COLUMN OF LIGHT, SAID INDICATOR MEANS BEING SO CONSTRUCTED AND ARRANGED THAT THE LENGTH OF THE COLUMN IS INDICATIVE OF THE STRESS IN THE PRESS SO THAT OPERATION OF THE PRESS IS ACCOMPANIED BY A BOBBING COLUMN OF LIGHT WITH THE PEAK VALUE BEING INDICATIVE OF THE MAXIMUM STRESS DEVELOPED IN THE PRESS, AND MEANS FOR INHIBITING THE DROPPING OF THE COLUMN OF LIGHT WHILE LEAVING THE COLUMN FREE TO RESPOND INSTANTANEOUSLY TO CHANGES OF SIGNAL IN THE RISING DIRECTION SO THAT BOBBING IS RESTRICTED TO THE UPPER PORTION OF THE RANGE.
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |