US3042202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclone classifier
Assignee: Individual
•
Filing: 1958-07-03
•
Granted: 1962-07-03
•
Expires: 1978-07-03
Abstract
No abstract record available.
Inventors
- 👤 Lincoln T Work
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:13
CPC Classifications
B; B04; B04C; B04C5/00; B07; B07B; B07B7/00; B07B7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US526334A
Cited
US970530A
Cited
US1753490A
Cited
US2301371A
Cited
CH254790A
Cited
GB645135A
Cited
US2829771A
Cited
GB794789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |