US2554887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ground engaging support
Assignee: MARY CAMPANO
•
Filing: 1947-06-10
•
Granted: 1951-05-29
•
Expires: 1967-06-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Tricarico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:43
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/22; E04H12/2207; E04H12/2215
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1085084A
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US1298380A
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US1425067A
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US1748885A
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US1999925A
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US2039779A
Cited
US2209504A
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US2296217A
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US2349505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |