US3271491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing within a mold of rubber or of a material having similar properties shapes of wax or similar materials for use in the so-called lostwax-molding method
Assignee: Individual
•
Filing: 1962-01-23
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Granted: 1966-09-06
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Expires: 1982-01-23
Abstract
No abstract record available.
Inventors
- 👤 Mikkelborg Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:19
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/20; B29C67/00; B29C67/24; B29C67/241; Y; Y10; Y10S; Y10S425/00; Y10S425/224; Y10S425/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |