US2450237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive machine
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1946-03-08
•
Granted: 1948-09-28
•
Expires: 1966-03-08
Abstract
No abstract record available.
Inventors
- 👤 Herbert S Indge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:06
CPC Classifications
B; B24; B24B; B24B5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1238612A
Cited
US1227775A
Cited
US2195049A
Cited
US2196108A
Cited
US2258037A
Cited
US2398022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-28 | 1952-03-29 | 1952-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-28 | 1956-03-29 | 1956-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-28 | 1960-03-29 | 1960-09-28 | $7700.00 | Window Closed / Lapsed |