US3501062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powder dispensing device
Assignee: Continental Can Co Inc
•
Filing: 1967-09-22
•
Granted: 1970-03-17
•
Expires: 1987-09-22
Abstract
No abstract record available.
Inventors
- 👤 Ernest W De Witt
- 👤 Edward D Higgins
- 👤 Philip F Catalano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:53
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/14; B05B7/1404; B05B7/144; B05B7/1445; B05B7/1472; B65; B65G; B65G53/00; B65G53/34; B65G53/66
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1029718A
Cited
FR44550E
Cited
US2072845A
Cited
US2123537A
Cited
CH196850A
Cited
US2125913A
Cited
US2964302A
Cited
US3270463A
Cited
FR1435990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |