US3545240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Billet for extrusion and method of lubricating the same
Assignee: Baldwin Lima Hamilton Corp
•
Filing: 1966-10-25
•
Granted: 1970-12-08
•
Expires: 1986-10-25
Abstract
No abstract record available.
Inventors
- 👤 Francis J Kent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:08
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1600961A
Cited
US1923514A
Cited
US2005175A
Cited
US2164902A
Cited
GB621535A
Cited
US2572021A
Cited
US3015154A
Cited
US2971644A
Cited
US3100930A
Cited
US3172536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |