US2588198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Litter control for vacuum cleaners
Assignee: B & R Manufacturing Co
•
Filing: 1948-10-13
•
Granted: 1952-03-04
•
Expires: 1968-10-13
Abstract
No abstract record available.
Inventors
- 👤 Julius J Bevington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:49
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/102; A47L9/104
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |