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Patent US2114780A successfully refreshed from Google Patents.
US2114780A
Expired / Lapsed
US
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Suction cleaner
Assignee: Individual
•
Filing: 1935-04-15
•
Granted: 1938-04-19
•
Expires: 1955-04-15
Abstract
No abstract record available.
Inventors
- 👤 Juelson Agnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:08
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/18; A47L9/182; A47L9/185; A47L9/186; A47L9/187; A47L9/188; Y; Y10; Y10S; Y10S15/00; Y10S15/08
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) | 1941-04-18 | 1941-10-18 | 1942-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-04-18 | 1945-10-18 | 1946-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-04-18 | 1949-10-18 | 1950-04-19 | $7700.00 | Window Closed / Lapsed |