US3198362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lifting tool
Assignee: Individual
•
Filing: 1962-10-12
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Granted: 1965-08-03
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Expires: 1982-10-12
Abstract
No abstract record available.
Inventors
- 👤 Harold I Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:51
CPC Classifications
B; B66; B66F; B66F19/00; B66F19/005; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20558
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A LIFTING TOOL FOR MANHOLE COVERS INCLUDING AN ANCHORAGE COMPRISING A FRAME HAVING SUPPORT SURFACE ENGAGING MEANS MOUNTED THEREON AND COVER STOP MEANS OUTWARDLY EXTENDED FROM THE FRAME ADJACENT TO SAID SURFACE ENGAGING MEANS, A CONTROL HANDLE HAVING A LOWER BELL CRANK END PIVOTALLY MOUNTED ON THE FRAME, AND AN ARM PIVOTALLY MOUNTED ON SAID BELL CRANK END OF THE CONTROL HANDLE ECCENTRICALLY OF THE PIVOTAL CONNECTION OF THE BELL CRANK WITH THE FRAME HAVING A LOWER END ENGAGEABLE WITH SAID ANCHORAGE OF THE COVER, SAID PIVOTAL CONNECTION BETWEEN THE BELL CRANK END OF THE HANDLE AND THE FRAME PROVIDING A FIRST FULCRUM ABOUT WHICH THE CONTROL HANDLE IS MOTIVATED TO LIFT THE COVER SUBSTANTIALLY VERTICAL A PREDETERMINED DISTANCE AGAINST SAID STOP MEANS, AND SAID SURFACE ENGAGING MEANS PROVIDING A SECOND FULCRUM FOR THE LIFTING TOOL ABOUT WHICH THE FRAME, ARM AND COVER ARE ROCKED AS A UNIT INCIDENT TO ENGAGEMENT OF THE COVER WITH THE STOP TO RENDER THE FIRST FULCRUM INOPERATIVE.
Claim 2
Dependent Claim
163 words
A LIFTING TOOL FOR MANHOLE COVERS INCLUDING AN ANCHORAGE COMPRISING A FRAME HAVING SUPPORT SURFACE ENGAGING MEANS MOUNTED THEREON AND COVER STOP MEANS OUTWARDLY EXTENDED FROM THE FRAME ADJACENT TO SAID SURFACE ENGAGING MEANS, A CONTROL HANDLE HAVING A LOWER BELL CRANK END PIVOTALLY MOUNTED ON THE FRAME, AND AN ARM PIVOTALLY MOUNTED ON SAID BELL CRANK END OF THE CONTROL HANDLE ECCENTRICALLY OF THE PIVOTAL CONNECTION OF THE BELL CRANK WITH THE FRAME HAVING A LOWER END ENGAGEABLE WITH SAID ANCHORAGE OF THE COVER, SAID PIVOTAL CONNECTION BETWEEN THE BELL CRANK END OF THE HANDLE AND THE FRAME PROVIDING A FIRST FULCRUM ABOUT WHICH THE CONTROL HANDLE IS MOTIVATED TO LIFT THE COVER SUBSTANTIALLY VERTICAL A PREDETERMINED DISTANCE AGAINST SAID STOP MEANS, AND SAID SURFACE ENGAGING MEANS PROVIDING A SECOND FULCRUM FOR THE LIFTING TOOL ABOUT WHICH THE FRAME, ARM AND COVER ARE ROCKED AS A UNIT INCIDENT TO ENGAGEMENT OF THE COVER WITH THE STOP TO RENDER THE FIRST FULCRUM INOPERATIVE.
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 |