Patent US1740929A successfully refreshed from Google Patents.
US1740929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant-retaining washer
Assignee: Individual
•
Filing: 1927-09-14
•
Granted: 1929-12-24
•
Expires: 1947-09-14
Abstract
No abstract record available.
Inventors
- 👤 Robert J Loock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:05
CPC Classifications
B; B60; B60R; B60R17/00; Y; Y10; Y10S; Y10S277/00; Y10S277/935
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) | 1932-12-23 | 1933-06-24 | 1933-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-12-23 | 1937-06-24 | 1937-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-12-23 | 1941-06-24 | 1941-12-24 | $7700.00 | Window Closed / Lapsed |