US3400922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallurgical vessel construction
Assignee: Mannesmann Demag AG
•
Filing: 1966-04-06
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Granted: 1968-09-10
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Expires: 1986-04-06
Abstract
No abstract record available.
Inventors
- 👤 Langlitz Karl-Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:36
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/46; C21C5/50; C21C5/4633
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A METALLURGICAL VESSEL CONSTRUCTION COMPRISING A VESSEL HOUSING, A RING SURROUNDING THE HOUSING FOR SUPPORTING THE VESSEL HOUSING AT A PREDETERMINED ORIENTATION, AND RESILIENT SUPPORTING MEANS CONNECTED BETWEEN SAID RING AND
Claim 2
Dependent Claim
31 words
A METALLURGICAL VESSEL CONSTRUCTION COMPRISING A VESSEL HOUSING, A RING SURROUNDING THE HOUSING FOR SUPPORTING THE VESSEL HOUSING AT A PREDETERMINED ORIENTATION, AND RESILIENT SUPPORTING MEANS CONNECTED BETWEEN SAID RING AND
References Cited (Backward Citations)
DE1066751B
Cited
US3357691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |