US2767418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush construction
Assignee: Individual
•
Filing: 1951-07-26
•
Granted: 1956-10-23
•
Expires: 1971-07-26
Abstract
No abstract record available.
Inventors
- 👤 William A Lombardi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:28
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/001; A46B13/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US968820A
Cited
US1011831A
Cited
GB191023951A
Cited
US1766388A
Cited
US2146624A
Cited
US2271835A
Cited
US2449042A
Cited
US2450679A
Cited
US2523823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |