US2854684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic brush
Assignee: H V HARDMAN CO Inc
•
Filing: 1954-11-04
•
Granted: 1958-10-07
•
Expires: 1974-11-04
Abstract
No abstract record available.
Inventors
- 👤 Kenneth V Hardman
- 👤 Arthur J Lang
- 👤 Malcolm E Doane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:51
CPC Classifications
A; A46; A46B; A46B3/00; A46B3/08; A46B3/10; A46B3/12; A46B2200/00; A46B2200/20; A46B2200/202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US383506A
Cited
US925178A
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US2116375A
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US2355744A
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US2494537A
Cited
US2512997A
Cited
US2648861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |