Patent US2017355A successfully refreshed from Google Patents.
US2467503A
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US
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Dust container for vacuum cleaners
Assignee: Individual
•
Filing: 1946-09-11
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Granted: 1949-04-19
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Expires: 1966-09-11
Abstract
No abstract record available.
Inventors
- 👤 Leonard W Seriven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:12
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/14; A47L9/1427
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1405437A
Cited
US2010898A
Cited
FR802641A
Cited
US2129105A
Cited
US2319384A
Cited
US2388279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |