US3018845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filters
Assignee: Individual
•
Filing: 1957-12-12
•
Granted: 1962-01-30
•
Expires: 1977-12-12
Abstract
No abstract record available.
Inventors
- 👤 Milton A Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:14
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/08; B01D39/086; B01D39/10; B01D39/12; B01D39/14; B01D39/16; B01D39/1607; B01D39/1623; B01D39/20; B01D39/2003; B01D39/2017; B01D2239/00; B01D2239/04; B01D2239/0435; B01D2239/0471; B01D2239/0492; B01D2239/06; B01D2239/065; B01D2239/0654; B01D2239/0681; B01D2239/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CH109892A
Cited
US2282770A
Cited
US2297601A
Cited
FR892334A
Cited
US2463722A
Cited
US2522568A
Cited
US2740184A
Cited
GB780709A
Cited
US2804937A
Cited
US2782933A
Cited
US2822059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |