US3415631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective coated article
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1965-03-12
•
Granted: 1968-12-10
•
Expires: 1985-03-12
Abstract
No abstract record available.
Inventors
- 👤 Neil N Ault
- 👤 Jr William Maxwell Wheildon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:24
CPC Classifications
C; C23; C23C; C23C24/00; C23C4/00; C23C4/02; C23C4/04; C23C4/10; C23C4/11; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/937; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12542; Y10T428/12549; Y10T428/12611; Y10T428/12618; Y10T428/12771; Y10T428/12778; Y10T428/12861; Y10T428/12937
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |