US2604881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam cleaner
Assignee: Individual
•
Filing: 1949-08-26
•
Granted: 1952-07-29
•
Expires: 1969-08-26
Abstract
No abstract record available.
Inventors
- 👤 Joe D Masopust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:41
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4086; A47L11/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US177791A
Cited
US285453A
Cited
US421224A
Cited
US1687832A
Cited
US1538436A
Cited
US1773582A
Cited
US2295228A
Cited
US2403173A
Cited
US2474401A
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 |