US2619172A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1950-06-29
•
Granted: 1952-11-25
•
Expires: 1970-06-29
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Flittner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:07
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/14; B26D1/00; Y; Y10; Y10S; Y10S83/00; Y10S83/917; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2209; Y10T83/2216; Y10T83/748; Y10T83/7593; Y10T83/76; Y10T83/869; Y10T83/8821; Y10T83/8841; Y10T83/885; Y10T83/8854
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US43458A
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US383692A
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US1495989A
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US1033527A
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GB191128799A
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GB117168A
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US1907000A
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US2078706A
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US2431482A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |