US3464383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powder dispensing cylinder for an electrostatic powder fixing device
Assignee: Individual
•
Filing: 1967-01-16
•
Granted: 1969-09-02
•
Expires: 1987-01-16
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Knechtel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:36
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/09; G03G15/0921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190420877A
Cited
DE915921C
Cited
US2854947A
Cited
US2822779A
Cited
US3098765A
Cited
US3111735A
Cited
US3213335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |