US2555903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1948-08-09
•
Granted: 1951-06-05
•
Expires: 1968-08-09
Abstract
No abstract record available.
Inventors
- 👤 Emmett H Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:02
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1318491A
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US2174152A
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US689721A
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US1451717A
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US1847067A
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US2008086A
Cited
US2195889A
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US2229858A
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US2222726A
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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) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |