US2222539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for making pile-surfaced sheets
Assignee: Saint Gobain Abrasives Inc
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Filing: 1934-12-11
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Granted: 1940-11-19
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Expires: 1954-12-11
Abstract
No abstract record available.
Inventors
- 👤 Archibald F Meston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:07
CPC Classifications
D; D04; D04H; D04H11/00; Y; Y10; Y10S; Y10S101/00; Y10S101/37; Y10S264/00; Y10S264/45; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1084; Y10T156/1087; Y10T428/00; Y10T428/23907; Y10T428/23921
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) | 1943-11-19 | 1944-05-20 | 1944-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-19 | 1948-05-20 | 1948-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-19 | 1952-05-20 | 1952-11-19 | $7700.00 | Window Closed / Lapsed |