Patent US2696302A successfully refreshed from Google Patents.
US2696302A
Expired / Lapsed
US
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Screening mechanism
Assignee: MEINZER
•
Filing: 1952-01-25
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Granted: 1954-12-07
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Expires: 1972-01-25
Abstract
No abstract record available.
Inventors
- 👤 Robert P Miller
- 👤 Mathewson Frank
- 👤 Meinzer Gotthold Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:57
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/46; B07B1/48; B07B1/28; B07B1/38; B07B2201/00; B07B2201/02; B07B2201/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |