US2332196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction reducing surface coating
Assignee: Individual
•
Filing: 1940-10-04
•
Granted: 1943-10-19
•
Expires: 1960-10-04
Abstract
No abstract record available.
Inventors
- 👤 Bjorksten Johan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:54
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/72; F42B12/76; F42B12/80; F42B12/82; A; A63; A63F; A63F9/00; A63F9/16; B; B63; B63B; B63B1/00; B63B1/32; B63B1/34; B64; B64C; B64C3/00; B64C3/26; C; C09; C09D; C09D101/00; C09D101/08; C09D101/16; C09D101/18; C09D189/00; C09D191/00; C09D191/005; C09D193/00; C09D193/02; Y; Y02; Y02T; Y02T70/00; Y02T70/10
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) | 1946-10-18 | 1947-04-19 | 1947-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-18 | 1951-04-19 | 1951-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-18 | 1955-04-19 | 1955-10-19 | $7700.00 | Window Closed / Lapsed |