US3418408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making ware producing mold members
Assignee: Ram Inc
•
Filing: 1966-05-03
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Granted: 1968-12-24
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Expires: 1986-05-03
Abstract
No abstract record available.
Inventors
- 👤 Donald R Emmel
- 👤 Andrew R Blackburn
- 👤 Virgil D Kendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:16
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/10; B28B7/12; B28B7/34; B28B7/346
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) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |