Patent US3266637A successfully refreshed from Google Patents.
US3266637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building crane for erection of tower-type structures
Assignee: TS KB GLAVSTROIMEKHANIZATSII
•
Filing: 1965-06-15
•
Granted: 1966-08-16
•
Expires: 1985-06-15
Abstract
No abstract record available.
Inventors
- 👤 Kalupin Alexandr Alexeevich
- 👤 Suvorikov Petr Ivanovich
- 👤 Scherbacheva Evgeni Leonidovna
- 👤 Scherbacheva Natali Kirillovna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:21
CPC Classifications
B; B66; B66C; B66C23/00; B66C2700/00; B66C2700/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A BUILDING CRANE FOR THE ERECTION OF TOWER-TYPE STRUCTURES, SAID CRANE BEING SLEWABLE ABOUT A TRUNNION ACCOMMODATED IN THE GOEMETRIC CENTER OF THE STRUCTURE FOUNDATION AND MOVABLE ALONG A CIRCULAR RAIL TRACK LAID INSIDE THE STRUCTURE, SAID CRANE COMPRISING A BEARING TRUSS WHOSE INTERNAL END RESTS UPON SAID TRUNNION; BALANCED CRABS RUNNING ALONG SAID RAIL TRACK AND UPHOLDING THE EXTERNAL
Claim 2
Dependent Claim
60 words
A BUILDING CRANE FOR THE ERECTION OF TOWER-TYPE STRUCTURES, SAID CRANE BEING SLEWABLE ABOUT A TRUNNION ACCOMMODATED IN THE GOEMETRIC CENTER OF THE STRUCTURE FOUNDATION AND MOVABLE ALONG A CIRCULAR RAIL TRACK LAID INSIDE THE STRUCTURE, SAID CRANE COMPRISING A BEARING TRUSS WHOSE INTERNAL END RESTS UPON SAID TRUNNION; BALANCED CRABS RUNNING ALONG SAID RAIL TRACK AND UPHOLDING THE EXTERNAL
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |