US2532264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank type vacuum cleaner
Assignee: General Electric Co
•
Filing: 1947-10-22
•
Granted: 1950-11-28
•
Expires: 1967-10-22
Abstract
No abstract record available.
Inventors
- 👤 Archie E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:08
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/26; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/365; Y; Y10; Y10S; Y10S55/00; Y10S55/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1399165A
Cited
US985933A
Cited
US1108765A
Cited
US1507010A
Cited
US1764002A
Cited
US2030133A
Cited
US2172180A
Cited
US2246863A
Cited
US2322038A
Cited
US2363452A
Cited
US2388280A
Cited
US2400558A
Cited
US2438133A
Cited
US2403970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |