Patent US3305899A successfully refreshed from Google Patents.
US3305899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dummy bar for continuously casting metals
Assignee: United Steel Companies Ltd
•
Filing: 1964-07-06
•
Granted: 1967-02-28
•
Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Charles W Saunders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:33
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/08; B22D11/081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A DUMMY BAR FOR USE IN THE CONTINUOUS CASTING OF METAL COMPRISING A CHILL PLATE AND A LINK CHAIN INCLUDING PIVOTED LINKS, AT LEAST ONE RESILIENT ROD EXTENDING THROUGH THE RUN OF THE CHAIN, AND MEANS RESTRAINING THE ROD AGAINST LATERAL MOVEMENT ONLY AT THE PIVOT POINTS OF THE
Claim 2
Dependent Claim
49 words
A DUMMY BAR FOR USE IN THE CONTINUOUS CASTING OF METAL COMPRISING A CHILL PLATE AND A LINK CHAIN INCLUDING PIVOTED LINKS, AT LEAST ONE RESILIENT ROD EXTENDING THROUGH THE RUN OF THE CHAIN, AND MEANS RESTRAINING THE ROD AGAINST LATERAL MOVEMENT ONLY AT THE PIVOT POINTS OF THE
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |