Patent US3524210A successfully refreshed from Google Patents.
US3524210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push brooms and brush blocks and handle mountings therefor
Assignee: Individual
•
Filing: 1967-10-06
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Granted: 1970-08-18
•
Expires: 1987-10-06
Abstract
No abstract record available.
Inventors
- 👤 Scott Mclean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:54
CPC Classifications
B; B25; B25G; B25G3/00; F; F16; F16B; F16B2200/00; F16B2200/69; Y; Y10; Y10S; Y10S411/00; Y10S411/904; Y10S411/907; Y10S411/924; Y10S411/949; Y10S411/955; Y10S411/956; Y10S411/964
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) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |