US2470440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of diamond abrasive articles
Assignee: Raybestos Manhattan Inc
•
Filing: 1945-03-10
•
Granted: 1949-05-17
•
Expires: 1965-03-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph N Kuzmick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:46
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/02; B24D3/20; B24D3/28; B24D3/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1915282A
Cited
US1900386A
Cited
US1907088A
Cited
US1924748A
Cited
US1981970A
Cited
US2383790A
Cited
US2367312A
Cited
US2334526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |