US2470189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for manufacturing molds
Assignee: Individual
•
Filing: 1944-09-09
•
Granted: 1949-05-17
•
Expires: 1964-09-09
Abstract
No abstract record available.
Inventors
- 👤 George A Rubissow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:59
CPC Classifications
B; B22; B22C; B22C9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1333502A
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US1341670A
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US1866599A
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US1614315A
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US1644358A
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US1680502A
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US2160645A
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US2306516A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |