US2715745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window washing sponge and squeegee
Assignee: Individual
•
Filing: 1950-10-26
•
Granted: 1955-08-23
•
Expires: 1970-10-26
Abstract
No abstract record available.
Inventors
- 👤 Donald O Jacobsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:29
CPC Classifications
A; A47; A47L; A47L1/00; A47L1/06; A47L1/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US419675A
Cited
US1139834A
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US1993215A
Cited
US2008615A
Cited
US2154373A
Cited
US2229147A
Cited
US2469060A
Cited
US2637059A
Cited
US2625700A
Cited
GB791687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |