US2864141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molds
Assignee: Individual
•
Filing: 1954-11-26
•
Granted: 1958-12-16
•
Expires: 1974-11-26
Abstract
No abstract record available.
Inventors
- 👤 Vallak Enn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:22
CPC Classifications
B; B22; B22D; B22D7/00; B22D7/06; B22D7/08; B22D7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US473579A
Cited
US933658A
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GB191100905A
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US1351346A
Cited
GB162348A
Cited
US1527521A
Cited
US1712946A
Cited
US2048024A
Cited
US2154234A
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US2212689A
Cited
GB689465A
Cited
US2706840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |