US3363994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical digester
Assignee: Chemithon Corp
•
Filing: 1966-06-21
•
Granted: 1968-01-16
•
Expires: 1986-06-21
Abstract
No abstract record available.
Inventors
- 👤 Richard J Brooks
- 👤 Burton J Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:45
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/18; B01J19/1862; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/0009; B01J2219/00094; B01J2219/00105; B01J2219/0011; B01J2219/00159; B01J2219/00164; B01J2219/00168
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3194638A
Cited
US3259645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |