US3348872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic tongs
Assignee: Individual
•
Filing: 1966-06-09
•
Granted: 1967-10-24
•
Expires: 1986-06-09
Abstract
No abstract record available.
Inventors
- 👤 William B Kolinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:08
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/58; B66C1/585
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
TONG MECHANISM FOR SUE WITH A SINGLE LIFTING CABLE COMPRISING A PIVOT PIN, A PAIR OF TONGS PIVOTALLY MOUNTED IN CROSSED RELATIONSHIP ON THE PIN, SAID TONGS HAVING UPPER ENDS EXTENDING ABOVE THE PIN AND LOAD GRIPPING ARMS EXTENDING BELOW THE PIN, LINKING MEANS CONNECTING THE CABLE AND THE UPPER ENDS OF THE TONGS NORMALLY OPERATIVE UNDER A TAUT CABLE CONDITION TO URGE THE ARMS TOWARDS EACH OTHER TO A LOAD GRIPPING POSITION, A TONG ENGAGING MEMBER SLIDABLY CONNECTED TO THE PIN FOR VERTICAL MOVEMENT RELATIVE TO THE TONGS INTO AND OUT OF SUPPORTING AND SPREADING ENGAGEMENT WITH THE ARMS, LATCH MECHANISM EXTENDING BETWEEN THE CABLE AND TONG ENGAGING MEMBER OPERABLE BY GRAVITY WHEN THE CABLE IS SLACKENED OFF SO AS TO RENDER THE LINKING MEANS INOPERATIE TO CONNECT THE
Claim 2
Dependent Claim
130 words
TONG MECHANISM FOR SUE WITH A SINGLE LIFTING CABLE COMPRISING A PIVOT PIN, A PAIR OF TONGS PIVOTALLY MOUNTED IN CROSSED RELATIONSHIP ON THE PIN, SAID TONGS HAVING UPPER ENDS EXTENDING ABOVE THE PIN AND LOAD GRIPPING ARMS EXTENDING BELOW THE PIN, LINKING MEANS CONNECTING THE CABLE AND THE UPPER ENDS OF THE TONGS NORMALLY OPERATIVE UNDER A TAUT CABLE CONDITION TO URGE THE ARMS TOWARDS EACH OTHER TO A LOAD GRIPPING POSITION, A TONG ENGAGING MEMBER SLIDABLY CONNECTED TO THE PIN FOR VERTICAL MOVEMENT RELATIVE TO THE TONGS INTO AND OUT OF SUPPORTING AND SPREADING ENGAGEMENT WITH THE ARMS, LATCH MECHANISM EXTENDING BETWEEN THE CABLE AND TONG ENGAGING MEMBER OPERABLE BY GRAVITY WHEN THE CABLE IS SLACKENED OFF SO AS TO RENDER THE LINKING MEANS INOPERATIE TO CONNECT THE
References Cited (Backward Citations)
US2629627A
Cited
US3051251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |