Patent US4603922A successfully refreshed from Google Patents.
Patent US3250345A successfully refreshed from Google Patents.
US3250345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffold
Assignee: Beteiligungs und Patentverwaltungs GmbH
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Filing: 1964-06-30
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Granted: 1966-05-10
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Expires: 1984-06-30
Abstract
No abstract record available.
Inventors
- 👤 Behr Hugo
- 👤 Lipka August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:08
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/44; C21C5/441; E; E04; E04G; E04G1/00; E04G1/15; E04G1/152; E04G1/36; E04G1/362
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A DEVICE , PARTICULARLY FOR THE WALLING FOR CONVERTERS AND SIMILAR METALLURGICAL VESSELS AND OVENS, COMPRISING A PLATFORM ADAPTED TO BE SUPPORTED BY A STAGE, EXTENSIONS MEMBERS INCREASING THE WORKING AREA OF SAID PLATFORM AND COMPRISING BRACKETS AND COVER PLATES FOR THE LATTER SUSPENDABLE RADIALLY FROM SAID PLATFORM, EACH OF SAID BRACKETS HAVING A HOOK, SAID PLATFORM AND SAID BRACKETS, RESPECTIVELY, HAVING CONNECTION MEMBERS COMPLEMENTARY TO SAID HOOKS FOR SUSPENDING SAID BRACKETS FROM SAID PLATFORM AND FROM SAID BRACKETS, RESPECTIVELY, THE LATTER ALREADY EXTENDING FROM SAID PLATFORM, SAID BRACKETS COMPRISING TWO SUBSTANTIALLY PARALLEL WALLS DEFINING A FREE SPACE THEREBETWEEN, SAID HOOKS OF SAID BRACKETS BEING DISPOSED BETWEEN AND TWO WALLS, AND SAID CONNECTING MEMBERS COMPRISING BOLTS SUPPORTING THE COMPLEMENTARY OF HOOKS AND DISPOSED BETWEEN TWO WALLS.
Claim 2
Independent Claim
126 words
A DEVICE , PARTICULARLY FOR THE WALLING FOR CONVERTERS AND SIMILAR METALLURGICAL VESSELS AND OVENS, COMPRISING A PLATFORM ADAPTED TO BE SUPPORTED BY A STAGE, EXTENSIONS MEMBERS INCREASING THE WORKING AREA OF SAID PLATFORM AND COMPRISING BRACKETS AND COVER PLATES FOR THE LATTER SUSPENDABLE RADIALLY FROM SAID PLATFORM, EACH OF SAID BRACKETS HAVING A HOOK, SAID PLATFORM AND SAID BRACKETS, RESPECTIVELY, HAVING CONNECTION MEMBERS COMPLEMENTARY TO SAID HOOKS FOR SUSPENDING SAID BRACKETS FROM SAID PLATFORM AND FROM SAID BRACKETS, RESPECTIVELY, THE LATTER ALREADY EXTENDING FROM SAID PLATFORM, SAID BRACKETS COMPRISING TWO SUBSTANTIALLY PARALLEL WALLS DEFINING A FREE SPACE THEREBETWEEN, SAID HOOKS OF SAID BRACKETS BEING DISPOSED BETWEEN AND TWO WALLS, AND SAID CONNECTING MEMBERS COMPRISING BOLTS SUPPORTING THE COMPLEMENTARY OF HOOKS AND DISPOSED BETWEEN TWO WALLS.
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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |