Patent US1879441A successfully refreshed from Google Patents.
US1879441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Watch cleaning machine
Assignee: Individual
•
Filing: 1931-09-21
•
Granted: 1932-09-27
•
Expires: 1951-09-21
Abstract
No abstract record available.
Inventors
- 👤 Raymond R Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:47
CPC Classifications
G; G04; G04D; G04D3/00; G04D3/08; G04D3/083; G04D3/086
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) | 1935-09-27 | 1936-03-28 | 1936-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-09-27 | 1940-03-28 | 1940-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-09-27 | 1944-03-28 | 1944-09-27 | $7700.00 | Window Closed / Lapsed |