US3342426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulverizing mill
Assignee: Individual
•
Filing: 1965-04-16
•
Granted: 1967-09-19
•
Expires: 1985-04-16
Abstract
No abstract record available.
Inventors
- 👤 Sr Walter J Sackett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:52
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/02; B02C13/04; B02C13/26; B02C13/28; B02C2013/2816
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |