US3385111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring apparatus
Assignee: Individual
•
Filing: 1965-11-15
•
Granted: 1968-05-28
•
Expires: 1985-11-15
Abstract
No abstract record available.
Inventors
- 👤 John H Mcginn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:36
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/0095
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
A DYNAMOMETER FOR MEASURING THE PROPULSIVE FORCE EXERTED BY AN OARSMAN COMPRISING AN OARLOCK ROTATABLY MOUNTED IN A YOKE HAVING A SHAFT EXTENDING THEREFROM ADAPTED TO SLIDE AXIALLY, A FRAME POSITIONED AROUND THE SHAFT TO GUIDE ITS MOVEMENTS IN SLIDING BACK AND FORTH, MEANS LIMITING THE AXIAL MOVEMENT OF THE SHAFT, MEANS OPERATIVELY CONNECTED TO THE SHAFT AND OPPOSING ITS AXIAL MOVEMENT IN ONE DIRECTION, AND MEASURING MEANS POSITIONED SO AS TO BE ENERGIZED WHEN THE SHAFT MOVES PREDETERMINED DISTANCES AGAINST THE FORCE OF SAID OPPOSING MEANS.
References Cited (Backward Citations)
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US2412386A
Cited
US2562186A
Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |