US2621369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making hairbrushes
Assignee: EMPIRE BRUSH WORKS Inc
•
Filing: 1948-02-13
•
Granted: 1952-12-16
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Expires: 1968-02-13
Abstract
No abstract record available.
Inventors
- 👤 Gantz Harry
- 👤 Harold H Schwartz
- 👤 Iasillo Casper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:38
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; B29C45/14336; B29C45/14344; A; A46; A46B; A46B3/00; A46B3/04; A46B3/20; B29L; B29L2031/00; B29L2031/42; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US354583A
Cited
US1324178A
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US843544A
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US2138872A
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US2341404A
Cited
US2291545A
Cited
US2335222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |