US2066362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screening apparatus and the like
Assignee: Individual
•
Filing: 1934-05-22
•
Granted: 1937-01-05
•
Expires: 1954-05-22
Abstract
No abstract record available.
Inventors
- 👤 Walter J Parks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:07
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/28; B07B1/286; B07B1/284; B07B2201/00; B07B2201/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-01-05 | 1940-07-06 | 1941-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-01-05 | 1944-07-06 | 1945-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-01-05 | 1948-07-06 | 1949-01-05 | $7700.00 | Window Closed / Lapsed |