US1420180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mop
Assignee: Individual
•
Filing: 1920-04-03
•
Granted: 1922-06-20
•
Expires: 1940-04-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick B Casmire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:28
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24; A47L13/25; A47L13/252
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) | 1925-06-19 | 1925-12-19 | 1926-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-06-19 | 1929-12-19 | 1930-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-06-19 | 1933-12-19 | 1934-06-20 | $7700.00 | Window Closed / Lapsed |