US3259250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Climbing gantry crane
Assignee: Anderston Clyde Engineers Ltd
•
Filing: 1964-11-04
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Granted: 1966-07-05
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Expires: 1984-11-04
Abstract
No abstract record available.
Inventors
- 👤 Parker Leslie Raymond
- 👤 Jr John Garty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:17
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/18; B66C23/26; B66C23/28; B66C23/32; B66C19/00; B66C19/02; B66C7/00; B66C2700/00; B66C2700/01; B66C2700/012; B66C2700/03; B66C2700/0321; B66C2700/0328; B66C2700/035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A CRANE ADAPTED TO BE ERECTED IN SITU COMPRISING A CROSS BEAM FORMING A RUNWAY FOR A LIFTING TACKLE, A PAIR OF BOGIES DISPOSED ONE AT EACH END OF SAID CROSS BEAM, AND A PLURALITY OF OPENWORK PILLAR SECTIONS ADAPTED TO BE SUPERIMPOSED ONE UPON ANOTHER STAGE-BY-STAGE OVER EACH OF SAID BOGIES TO BUILD UP END PILLARS UPON WHICH, THROUGHOUT THE FULL VERTICAL EXTENT THEREOF AS EXISTING FROM TIME TO TIME, SAID BEAM IS SLIDABLE AND UPON WHICH SAID BEAM IS CARRIED, THE BEAM AND EACH SAID PILLAR SECTION INCLUDIONG AT LEAST ONE RACK PORTION ADAPTED TO BE ENGAGED BY A COOPERATING MEANS ON THE BEAM, THE SAID COOPERATING MEANS HOLDING THE BEAM IN ANY SELECTED POSITION THROUGHOUT THE LENGTH OF THE PILLARS, A DRIVING MECHANISM ASSOCIATED WITH THE SAID COOPERATING MEANS, SAID DRIVING MECHANISM BEING ATTACHED TO THE CROSS BEAM AND OPERABLE TO MOVE THE BEAM RELATIVE TO THE PILLARS.
Claim 2
Dependent Claim
151 words
A CRANE ADAPTED TO BE ERECTED IN SITU COMPRISING A CROSS BEAM FORMING A RUNWAY FOR A LIFTING TACKLE, A PAIR OF BOGIES DISPOSED ONE AT EACH END OF SAID CROSS BEAM, AND A PLURALITY OF OPENWORK PILLAR SECTIONS ADAPTED TO BE SUPERIMPOSED ONE UPON ANOTHER STAGE-BY-STAGE OVER EACH OF SAID BOGIES TO BUILD UP END PILLARS UPON WHICH, THROUGHOUT THE FULL VERTICAL EXTENT THEREOF AS EXISTING FROM TIME TO TIME, SAID BEAM IS SLIDABLE AND UPON WHICH SAID BEAM IS CARRIED, THE BEAM AND EACH SAID PILLAR SECTION INCLUDIONG AT LEAST ONE RACK PORTION ADAPTED TO BE ENGAGED BY A COOPERATING MEANS ON THE BEAM, THE SAID COOPERATING MEANS HOLDING THE BEAM IN ANY SELECTED POSITION THROUGHOUT THE LENGTH OF THE PILLARS, A DRIVING MECHANISM ASSOCIATED WITH THE SAID COOPERATING MEANS, SAID DRIVING MECHANISM BEING ATTACHED TO THE CROSS BEAM AND OPERABLE TO MOVE THE BEAM RELATIVE TO THE PILLARS.
References Cited (Backward Citations)
BE558318A
Cited
GB728472A
Cited
FR1084473A
Cited
DE1142692B
Cited
FR1243896A
Cited
FR1280095A
Cited
DE1167500B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |