US2951286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating scraper
Assignee: Individual
•
Filing: 1959-05-12
•
Granted: 1960-09-06
•
Expires: 1979-05-12
Abstract
No abstract record available.
Inventors
- 👤 Richard W Mann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:18
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/16; B44D3/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1829531A
Cited
US2210733A
Cited
US2197626A
Cited
US2458530A
Cited
US2618729A
Cited
US2845643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |