Patent US2674008A successfully refreshed from Google Patents.
US2674008A
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US
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Molding mechanism
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1951-04-11
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Granted: 1954-04-06
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Expires: 1971-04-11
Abstract
No abstract record available.
Inventors
- 👤 Pyl Edward Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:06
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/30; B30B15/302; B30B15/304; B30B11/00; B30B11/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2556951A
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US2523137A
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US2541899A
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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) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |