US3082881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescopically variable overhang beam for dredges, cranes, and the like
Assignee: Individual
•
Filing: 1961-04-18
•
Granted: 1963-03-26
•
Expires: 1981-04-18
Abstract
No abstract record available.
Inventors
- 👤 Wieger Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:20
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/306; B; B66; B66C; B66C23/00; B66C23/62; B66C23/64; B66C23/66; B66C23/70; B66C23/701; B66C23/707; E02F3/46; E02F3/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A BOOM ADAPTED SELECTIVELY TO BE EXTENDED AND SHORTENED, ESPECIALLY FOR DREDGES, CRANES AND SIMILAR MACHINERY, WHICH INCLUDES: A FIRST BOOM SECTION, A SECOND BOOM SECTION TELESCOPICALLY EXTENDING INTO SAID FIRST BOOM SECTION FOR EXTENSION IN A LATERAL DIRECTION, AND ROLLER MEANS INTERPOSED BETWEEN SAID FIRST AND SECOND BOOM SECTIONS AND ENGAGING THE SAME TO PERMIT TELESCOPIC MOVEMENT OF SAID BOOM SECTIONS RELATIVE TO EACH OTHER, EACH OF SAID BOOM SECTIONS INCLUDING CYLINDRICAL LONGITUDINAL FRAME MEMBERS ENGAGED BY SAID ROLLER MEANS AND EXTENDING IN LONGITUDINAL DIRECTION OF THE RESPECTIVE BOOM SECTION, EACH OF SAID BOOM SECTIONS ALSO INCLUDING TRANSVERSE POLYGONAL FRAME MEMBERS SPACED FROM EACH OTHER IN LONGITUDINAL DIRECTION OF THE RESPECTIVE LONGITUDINAL FRAME MEMBERS FOR SUPPORTING THE SAME AND FORMED AT THE COR-
Claim 2
Dependent Claim
124 words
A BOOM ADAPTED SELECTIVELY TO BE EXTENDED AND SHORTENED, ESPECIALLY FOR DREDGES, CRANES AND SIMILAR MACHINERY, WHICH INCLUDES: A FIRST BOOM SECTION, A SECOND BOOM SECTION TELESCOPICALLY EXTENDING INTO SAID FIRST BOOM SECTION FOR EXTENSION IN A LATERAL DIRECTION, AND ROLLER MEANS INTERPOSED BETWEEN SAID FIRST AND SECOND BOOM SECTIONS AND ENGAGING THE SAME TO PERMIT TELESCOPIC MOVEMENT OF SAID BOOM SECTIONS RELATIVE TO EACH OTHER, EACH OF SAID BOOM SECTIONS INCLUDING CYLINDRICAL LONGITUDINAL FRAME MEMBERS ENGAGED BY SAID ROLLER MEANS AND EXTENDING IN LONGITUDINAL DIRECTION OF THE RESPECTIVE BOOM SECTION, EACH OF SAID BOOM SECTIONS ALSO INCLUDING TRANSVERSE POLYGONAL FRAME MEMBERS SPACED FROM EACH OTHER IN LONGITUDINAL DIRECTION OF THE RESPECTIVE LONGITUDINAL FRAME MEMBERS FOR SUPPORTING THE SAME AND FORMED AT THE COR-
References Cited (Backward Citations)
US2833422A
Cited
US2942700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |