US3385584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Craneless steel plant
Assignee: Waagner Biro AG
•
Filing: 1965-03-12
•
Granted: 1968-05-28
•
Expires: 1985-03-12
Abstract
No abstract record available.
Inventors
- 👤 Kemmetmueller Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:48
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/285; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US314768A
Cited
US627835A
Cited
US935964A
Cited
FR919358A
Cited
US2799492A
Cited
US3093253A
Cited
US3331681A
Cited
US3253723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |