Patent US2705336A successfully refreshed from Google Patents.
US2705336A
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US
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Cleaning instrument having a detachable handle provided with a cap
Assignee: Illinois Duster & Brush Co
•
Filing: 1948-12-03
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Granted: 1955-04-05
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Expires: 1968-12-03
Abstract
No abstract record available.
Inventors
- 👤 Wilson Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:28
CPC Classifications
B; B25; B25G; B25G3/00; B25G3/02; B25G3/12; B25G3/30; Y; Y10; Y10S; Y10S16/00; Y10S16/12; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20876
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) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |