Patent US2672144A successfully refreshed from Google Patents.
US2672144A
Expired / Lapsed
US
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Powder dispenser
Assignee: Individual
•
Filing: 1951-11-19
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Granted: 1954-03-16
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Expires: 1971-11-19
Abstract
No abstract record available.
Inventors
- 👤 Milton J Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:15
CPC Classifications
A; A61; A61M; A61M15/00; A61M15/0028; A61M15/003; A61M15/0033; A61M15/0035; A61M15/0036; A61M15/0041; A61M2202/00; A61M2202/02; A61M2202/06; A61M2202/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |