Patent US2201217A successfully refreshed from Google Patents.
US2201217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant
Assignee: Individual
•
Filing: 1937-08-25
•
Granted: 1940-05-21
•
Expires: 1957-08-25
Abstract
No abstract record available.
Inventors
- 👤 Herman E Ballard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:23
CPC Classifications
C; C10; C10M; C10M7/00; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2209/10; C10M2209/102; C10M2221/00; C10M2221/04; C10N; C10N2010/00; C10N2010/06; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1943-05-21 | 1943-11-20 | 1944-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-21 | 1947-11-20 | 1948-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-21 | 1951-11-20 | 1952-05-21 | $7700.00 | Window Closed / Lapsed |