US1254252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder for washing-machines.
Assignee: Individual
•
Filing: 1916-08-07
•
Granted: 1918-01-22
•
Expires: 1936-08-07
Abstract
No abstract record available.
Inventors
- 👤 Lawrence W Mammen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:50
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/02; D06F37/04
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) | 1921-01-21 | 1921-07-23 | 1922-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-01-21 | 1925-07-23 | 1926-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-01-21 | 1929-07-23 | 1930-01-22 | $7700.00 | Window Closed / Lapsed |