Patent US2983944A successfully refreshed from Google Patents.
US2983944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning device
Assignee: Individual
•
Filing: 1956-11-05
•
Granted: 1961-05-16
•
Expires: 1976-11-05
Abstract
No abstract record available.
Inventors
- 👤 Uselis Zenonas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:23
CPC Classifications
A; A47; A47K; A47K7/00; A47K7/02; A47K7/028; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US663248A
Cited
US1071965A
Cited
GB191310741A
Cited
US1100367A
Cited
US1185760A
Cited
US2357446A
Cited
US2323568A
Cited
US2547881A
Cited
US2741787A
Cited
US2779962A
Cited
FR1070031A
Cited
US2744279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |