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US2583336A
Expired / Lapsed
US
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Brush roll construction
Assignee: Individual
•
Filing: 1947-04-21
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Granted: 1952-01-22
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Expires: 1967-04-21
Abstract
No abstract record available.
Inventors
- 👤 Lloyd E Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:05
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US280008A
Cited
US1130673A
Cited
US887780A
Cited
US968820A
Cited
GB109394A
Cited
US1660334A
Cited
FR764736A
Cited
US2324461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |