US2646726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: EIDP Inc
•
Filing: 1950-01-12
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Granted: 1953-07-28
•
Expires: 1970-01-12
Abstract
No abstract record available.
Inventors
- 👤 Robert E Fogg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:10
CPC Classifications
B; B42; B42C; B42C5/00; B42C5/04; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T409/00; Y10T409/30; Y10T409/304144; Y10T409/306664; Y10T409/306776; Y10T83/00; Y10T83/485; Y10T83/494
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US276296A
Cited
US1047493A
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US1248253A
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US1280753A
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US1394309A
Cited
US1642866A
Cited
US1804392A
Cited
US1835685A
Cited
US1988208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |