US2655680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dusting and polishing device
Assignee: Individual
•
Filing: 1950-04-24
•
Granted: 1953-10-20
•
Expires: 1970-04-24
Abstract
No abstract record available.
Inventors
- 👤 Henrietta S Geerin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:30
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24; A47L13/254
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US606495A
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US1186960A
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US1502968A
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US1618553A
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US1916214A
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US2067687A
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US2192547A
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US2304127A
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US2301586A
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US2429626A
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US2490224A
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US2522691A
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US2559722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |