US3292559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rail mounted mobile jib crane apparatus
Assignee: Albina Engine and Machine Works Inc
•
Filing: 1964-02-05
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Granted: 1966-12-20
•
Expires: 1984-02-05
Abstract
No abstract record available.
Inventors
- 👤 Richard C Cousins
- 👤 Percy L Symons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:55
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/16; H03L7/22; B; B66; B66C; B66C7/00; B66C2700/00; B66C2700/03; B66C2700/0321; B66C2700/0328; B66C2700/035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A MOBILE JIB CRANE FOR TRAVEL ALONG A PAIR OF TRACKS HAVING STRAIGHT TRACKS PORTIONS AND ARCUATELY CURVED TRACK PORTIONS, SAID CRANE COMPRISING, A BASE STRUCTURE, MEANS FOR SUPPORTING SAID BASE STRUCTURE ON SAID TRACKS INCLUDING A FIRST PAIR OF WHEEL MEANS FOR ONE TRACK AND A SECOND PAIR OF WHEEL MEANS FOR THE OTHER TRACK, MOUNTING MEANS FOR EACH WHEEL MEANS EACH MOUNTING MEANS SWIVELLY CONNECTING ITS WHEEL MEANS TO SAID BASE STRUCTURE, SAID BASE STRUCTURE HAVING PORTIONS PROVIDING A HORIZONTALLY EXTENDING SLOT IN ASSOCIATION WITH EACH OF SAID FIRST WHEEL MEANS, SAID SLOTS EXTENDING IN A DIRECTION GENERALLY TOWARD THE OTHER TRACK, A MOUNTING MEANS FOR EACH FIRAT WHEEL MEANS INCLUDING A VERTICAL UNIT SLIDABLY RECEIVED IN THE ASSOCIATED SLOT FOR MOVEMENT LENGTHWISE OF SUCH SLOT TO PERMIT VARIATIONS IN THE SPACING BETWEEN THE FIRST WHEEL MEANS AND THE SECOND WHEEL MEANS AS DEMANDED BY SAID TRACKS AS THE CRANE MOVES THEREALONG.
Claim 2
Dependent Claim
154 words
A MOBILE JIB CRANE FOR TRAVEL ALONG A PAIR OF TRACKS HAVING STRAIGHT TRACKS PORTIONS AND ARCUATELY CURVED TRACK PORTIONS, SAID CRANE COMPRISING, A BASE STRUCTURE, MEANS FOR SUPPORTING SAID BASE STRUCTURE ON SAID TRACKS INCLUDING A FIRST PAIR OF WHEEL MEANS FOR ONE TRACK AND A SECOND PAIR OF WHEEL MEANS FOR THE OTHER TRACK, MOUNTING MEANS FOR EACH WHEEL MEANS EACH MOUNTING MEANS SWIVELLY CONNECTING ITS WHEEL MEANS TO SAID BASE STRUCTURE, SAID BASE STRUCTURE HAVING PORTIONS PROVIDING A HORIZONTALLY EXTENDING SLOT IN ASSOCIATION WITH EACH OF SAID FIRST WHEEL MEANS, SAID SLOTS EXTENDING IN A DIRECTION GENERALLY TOWARD THE OTHER TRACK, A MOUNTING MEANS FOR EACH FIRAT WHEEL MEANS INCLUDING A VERTICAL UNIT SLIDABLY RECEIVED IN THE ASSOCIATED SLOT FOR MOVEMENT LENGTHWISE OF SUCH SLOT TO PERMIT VARIATIONS IN THE SPACING BETWEEN THE FIRST WHEEL MEANS AND THE SECOND WHEEL MEANS AS DEMANDED BY SAID TRACKS AS THE CRANE MOVES THEREALONG.
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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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |