Patent US4350798A successfully refreshed from Google Patents.
US3265218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Side boom pipe layer
Assignee: GIOVANNETTI MACCHINE SpA
•
Filing: 1964-01-24
•
Granted: 1966-08-09
•
Expires: 1984-01-24
Abstract
No abstract record available.
Inventors
- 👤 Stefanutti Sergio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:30
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/18; B66C2700/00; B66C2700/06; B66C2700/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A HYDRAULICALLY OPERATED PIPE LAYER COMPRISING A BRIDGE, A BOOM HINGEDLY CONNECTED TO SAID BRIDGE MOVABLE IN A VERTICAL PLANE, A FIRST HYDRAULIC HOISTING JACK MOUNTED ON SAID BOOM, A TACKLE CONNECTED TO SAID JACK MOUNTED ON SAID BOOM, A SECOND HYDRAULIC JACK MOUNTED ON SAID BRIDGE CONTROLLING THE RAISING OF SAID BOOM, A HOOK CONNECTED TO SAID TACKLE, A SUPPORT FOR SAID HOOK HAVING A ROLL, SAID TACKLE COMPRISING A PAIR OF CABLES, EACH OF WHICH HAS ONE END ANCHORED AT THE TOP OF SAID BOOM AND THE OTHER END WOUND ON SAID ROLL TO BALANCE THE STRESSES OF SAID TWO CABLES.
Claim 2
Dependent Claim
103 words
A HYDRAULICALLY OPERATED PIPE LAYER COMPRISING A BRIDGE, A BOOM HINGEDLY CONNECTED TO SAID BRIDGE MOVABLE IN A VERTICAL PLANE, A FIRST HYDRAULIC HOISTING JACK MOUNTED ON SAID BOOM, A TACKLE CONNECTED TO SAID JACK MOUNTED ON SAID BOOM, A SECOND HYDRAULIC JACK MOUNTED ON SAID BRIDGE CONTROLLING THE RAISING OF SAID BOOM, A HOOK CONNECTED TO SAID TACKLE, A SUPPORT FOR SAID HOOK HAVING A ROLL, SAID TACKLE COMPRISING A PAIR OF CABLES, EACH OF WHICH HAS ONE END ANCHORED AT THE TOP OF SAID BOOM AND THE OTHER END WOUND ON SAID ROLL TO BALANCE THE STRESSES OF SAID TWO CABLES.
References Cited (Backward Citations)
US677874A
Cited
US850757A
Cited
US2415907A
Cited
FR1014666A
Cited
US2627984A
Cited
US2588037A
Cited
FR1168351A
Cited
US3071254A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |