US2239183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall and ceiling washing machine
Assignee: HARRY JACYN
•
Filing: 1938-04-01
•
Granted: 1941-04-22
•
Expires: 1958-04-01
Abstract
No abstract record available.
Inventors
- 👤 Willard Harvey David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:43
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A47L11/38; A47L11/4044; A47L11/4063; A47L11/4069; A47L11/4075; A47L11/408; A47L11/4083; A47L11/4088
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) | 1944-04-21 | 1944-10-21 | 1945-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-04-21 | 1948-10-21 | 1949-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-04-21 | 1952-10-21 | 1953-04-22 | $7700.00 | Window Closed / Lapsed |