Patent US2760688A successfully refreshed from Google Patents.
US2760688A
Expired / Lapsed
US
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Dispenser for finely divided materials
Assignee: Individual
•
Filing: 1951-03-19
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Granted: 1956-08-28
•
Expires: 1971-03-19
Abstract
No abstract record available.
Inventors
- 👤 Jr George H Packwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:46
CPC Classifications
A; A47; A47K; A47K5/00; A47K5/06; A47K5/10
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |