US1611786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction cleaner
Assignee: UNITED ELECTRIC Co
•
Filing: 1921-10-15
•
Granted: 1926-12-21
•
Expires: 1941-10-15
Abstract
No abstract record available.
Inventors
- 👤 Adam A Serva
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:21
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/14; A47L5/22; A47L5/28; Y; Y10; Y10S; Y10S15/00; Y10S15/08; Y10S55/00; Y10S55/03
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) | 1929-12-20 | 1930-06-21 | 1930-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-12-20 | 1934-06-21 | 1934-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-12-20 | 1938-06-21 | 1938-12-21 | $7700.00 | Window Closed / Lapsed |