US3427004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Can shaking device
Assignee: United Co
•
Filing: 1967-07-24
•
Granted: 1969-02-11
•
Expires: 1987-07-24
Abstract
No abstract record available.
Inventors
- 👤 Ralph Cover
- 👤 Clyde A Kemper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:05
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/20; B65B1/22; A; A23; A23B; A23B2/00; A23B2/20; A23B2/203
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2542451A
Cited
US3332668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |