US2641942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1947-05-03
•
Granted: 1953-06-16
•
Expires: 1967-05-03
Abstract
No abstract record available.
Inventors
- 👤 Mueller Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:21
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/10; B21J15/16; B21J15/20; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32081; Y10T403/32606; Y10T403/32951; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T83/00; Y10T83/869; Y10T83/8798; Y10T83/8802
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US335976A
Cited
US615547A
Cited
US696235A
Cited
GB190114960A
Cited
US1301883A
Cited
US1401777A
Cited
GB485405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |