US2217126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piled surface in pattern form
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1937-03-20
•
Granted: 1940-10-08
•
Expires: 1957-03-20
Abstract
No abstract record available.
Inventors
- 👤 Archibald F Meston
- 👤 Harry A Wintermute
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:36
CPC Classifications
D; D04; D04H; D04H11/00; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23957
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-10-08 | 1944-04-08 | 1944-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-08 | 1948-04-08 | 1948-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-08 | 1952-04-08 | 1952-10-08 | $7700.00 | Window Closed / Lapsed |