US2941277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making casting molds for ceramic forms
Assignee: Individual
•
Filing: 1956-04-30
•
Granted: 1960-06-21
•
Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Rudolph V Ganz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:29
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/26; B28B1/261; B28B1/262; B29; B29C; B29C33/00; B29C33/38; B29C33/3842; B29C33/3857; B29C33/3878; B29C41/00; B29C41/02; B29C41/14; B29C41/34; B29C41/38; B29C41/40; B29C33/42; Y; Y10; Y10S; Y10S264/00; Y10S264/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1336180A
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US1757450A
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US1768546A
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US2288840A
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US2324990A
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US2659970A
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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) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |