US3239314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammoniator-granulator system for separating classes of granules
Assignee: AJ Sackett and Sons Co
•
Filing: 1963-02-04
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Granted: 1966-03-08
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Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Sr Walter J Sackett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:51
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/12; B03; B03B; B03B1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1581430A
Cited
US2892689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |