US3440773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive cutting device
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1966-08-26
•
Granted: 1969-04-29
•
Expires: 1986-08-26
Abstract
No abstract record available.
Inventors
- 👤 John H Hawkes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:39
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/02; B28D1/12; B28D1/121; B24; B24D; B24D18/00; B24D5/00; B24D5/12; B24D5/123
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1063380A
Cited
US1926321A
Cited
US2225193A
Cited
US2434314A
Cited
US2564217A
Cited
US2867063A
Cited
US3049843A
Cited
US3307242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |