Patent US2456985A successfully refreshed from Google Patents.
US2456985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of abrasive webs
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1943-08-25
•
Granted: 1948-12-21
•
Expires: 1963-08-25
Abstract
No abstract record available.
Inventors
- 👤 Nicholas E Oglesby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:50
CPC Classifications
B; B24; B24D; B24D11/00; B24D11/001; B24D11/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US157068A
Cited
US349463A
Cited
US506389A
Cited
GB128658A
Cited
US1595491A
Cited
US2198766A
Cited
US2403018A
Cited
US2281558A
Cited
US2201194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-21 | 1952-06-21 | 1952-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-21 | 1956-06-21 | 1956-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-21 | 1960-06-21 | 1960-12-21 | $7700.00 | Window Closed / Lapsed |