US2960736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casting arrangement for all metals
Assignee: Individual
•
Filing: 1956-11-21
•
Granted: 1960-11-22
•
Expires: 1976-11-21
Abstract
No abstract record available.
Inventors
- 👤 Poudevigne Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:15
CPC Classifications
B; B22; B22D; B22D27/00; B22D27/09; B22D27/13; B22D18/00; B22D18/04; B22D27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US315741A
Cited
US506518A
Cited
US901361A
Cited
GB162348A
Cited
GB344947A
Cited
US1918734A
Cited
US1913434A
Cited
US2152528A
Cited
AT184679B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |