US2555859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window operator
Assignee: Trico Products Corp
•
Filing: 1945-01-29
•
Granted: 1951-06-05
•
Expires: 1965-01-29
Abstract
No abstract record available.
Inventors
- 👤 Rappl Anton
- 👤 Marshall H Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:14
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/38; E05F11/48; E05F11/481; E05F11/483; E05F11/488; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1432058A
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US1490065A
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US1638197A
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US1640931A
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US1570654A
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US1606712A
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US1827746A
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DE581285C
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FR780604A
Cited
US2370740A
Cited
US2382791A
Cited
US2390617A
Cited
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 |