US3494597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stirring devices
Assignee: Individual
•
Filing: 1968-01-08
•
Granted: 1970-02-10
•
Expires: 1988-01-08
Abstract
No abstract record available.
Inventors
- 👤 Arthur Rosinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:49
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/80; B01F27/86; B01F27/862; B01F31/00; B01F31/44; B01F31/445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |