US2479078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diamond abrasive wheel
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1945-10-20
•
Granted: 1949-08-16
•
Expires: 1965-10-20
Abstract
No abstract record available.
Inventors
- 👤 Lowell H Milligan
- 👤 Robert H Lombard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:10
CPC Classifications
B; B24; B24D; B24D7/00; B24D7/16; B24D7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US687962A
Cited
US1336751A
Cited
US2102343A
Cited
US2065942A
Cited
US2121746A
Cited
US2279045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |