US2700259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating brush bristles
Assignee: Individual
•
Filing: 1950-09-15
•
Granted: 1955-01-25
•
Expires: 1970-09-15
Abstract
No abstract record available.
Inventors
- 👤 Dreyfus Sylvain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:06
CPC Classifications
A; A46; A46D; A46D9/00; A46D9/02; Y; Y10; Y10S; Y10S451/00; Y10S451/914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US74560A
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US122951A
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GB190509233A
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US1495747A
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US1551659A
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US1705767A
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US1888675A
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US2227126A
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US2159336A
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US2365396A
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US2412141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |