US2537482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double hung window cleaner
Assignee: Individual
•
Filing: 1948-10-07
•
Granted: 1951-01-09
•
Expires: 1968-10-07
Abstract
No abstract record available.
Inventors
- 👤 Reilly Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:57
CPC Classifications
A; A47; A47L; A47L1/00; A47L1/06; A47L1/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US57460A
Cited
DE614552C
Cited
US925788A
Cited
GB190821184A
Cited
US934491A
Cited
US1606211A
Cited
US1984154A
Cited
US2029426A
Cited
US2449281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |