US3411565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling system of a casting drum belonging to a machine for the production of metal rods
Assignee: Individual
•
Filing: 1966-03-08
•
Granted: 1968-11-19
•
Expires: 1986-03-08
Abstract
No abstract record available.
Inventors
- 👤 Properzi Ilario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:47
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/06; B22D11/0637; B22D11/068; B22D11/0682
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2865067A
Cited
US3279000A
Cited
GB1014049A
Cited
US3318369A
Cited
US3311955A
Cited
US3319700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |