US2672639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holder for cleaning implements
Assignee: Individual
•
Filing: 1950-08-24
•
Granted: 1954-03-23
•
Expires: 1970-08-24
Abstract
No abstract record available.
Inventors
- 👤 Charles W Bruger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:26
CPC Classifications
A; A47; A47L; A47L1/00; A47L1/06; A47L13/00; A47L13/10; A47L13/42; A47L13/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US158459A
Cited
US623884A
Cited
DE604827C
Cited
US699265A
Cited
US1748808A
Cited
US2014490A
Cited
US2348863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |