Patent US2643032A successfully refreshed from Google Patents.
US2643032A
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US
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Powder dispenser and distributor
Assignee: Virkotype Corp
•
Filing: 1949-09-30
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Granted: 1953-06-23
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Expires: 1969-09-30
Abstract
No abstract record available.
Inventors
- 👤 Richard F Berndt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:51
CPC Classifications
B; B41; B41F; B41F23/00; B41F23/04; B41F23/06; B41M; B41M1/00; B41M1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1107773A
Cited
US1755618A
Cited
US1986047A
Cited
US1930814A
Cited
US1949102A
Cited
US2030541A
Cited
US2144142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |