US3533125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Segmental cylindrical brush assembly
Assignee: JAMES A BUECHEL
•
Filing: 1968-08-21
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Granted: 1970-10-13
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Expires: 1988-08-21
Abstract
No abstract record available.
Inventors
- 👤 James A Buechel
- 👤 James D White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:45
CPC Classifications
A; A46; A46B; A46B3/00; A46B3/08; A46B3/10; A46B3/14; A46B13/00; A46B13/001; A46B13/005; A46B2200/00; A46B2200/30; A46B2200/3066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |