Patent US2321046A successfully refreshed from Google Patents.
US2321046A
Expired / Lapsed
US
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Photomechanical negative
Assignee: Republic Aviation Corp
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Filing: 1941-11-10
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Granted: 1943-06-08
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Expires: 1961-11-10
Abstract
No abstract record available.
Inventors
- 👤 Rudnick Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:01
CPC Classifications
G; G03; G03F; G03F1/00; G03F1/68; G03C; G03C5/00; G03C5/08; G03C5/10; Y; Y10; Y10S; Y10S430/00; Y10S430/152; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31971; Y10T428/31993
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) | 1946-06-07 | 1946-12-07 | 1947-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-06-07 | 1950-12-07 | 1951-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-06-07 | 1954-12-07 | 1955-06-08 | $7700.00 | Window Closed / Lapsed |