US2605043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable vacuum cleaner unit
Assignee: Individual
•
Filing: 1948-09-27
•
Granted: 1952-07-29
•
Expires: 1968-09-27
Abstract
No abstract record available.
Inventors
- 👤 George P Stetser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:02
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/16; A47L5/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1078512A
Cited
US1114592A
Cited
FR703690A
Cited
US2091642A
Cited
US2074666A
Cited
GB508152A
Cited
US2293115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |