US3149760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powder dispensing apparatus
Assignee: Xerox Corp
•
Filing: 1960-12-23
•
Granted: 1964-09-22
•
Expires: 1980-12-23
Abstract
No abstract record available.
Inventors
- 👤 Roger H Eichorn
- 👤 William G Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:47
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/0822; G03G15/0887; G03G15/0891; G03G15/0877; Y; Y10; Y10S; Y10S222/00; Y10S222/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US22349A
Cited
US763033A
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US1371343A
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US2530406A
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US2650002A
Cited
FR1105560A
Cited
US2919054A
Cited
US2910250A
Cited
US2872080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |