US2665446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dusting tool
Assignee: Individual
•
Filing: 1950-02-03
•
Granted: 1954-01-12
•
Expires: 1970-02-03
Abstract
No abstract record available.
Inventors
- 👤 Marvin H Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:45
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02; A47L9/06; A47L9/0673; A47L9/0693; B; B25; B25G; B25G3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US614335A
Cited
DE561215C
Cited
US1243472A
Cited
US1205681A
Cited
CH121745A
Cited
GB291760A
Cited
US1770749A
Cited
US2130635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |