US2903948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple ram compactor
Assignee: JOHN H LUCAS
•
Filing: 1956-01-13
•
Granted: 1959-09-15
•
Expires: 1976-01-13
Abstract
No abstract record available.
Inventors
- 👤 Wayne W Simmonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:34
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/30; E01C19/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1129230A
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US1887341A
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US2556610A
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US2621055A
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US2659584A
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US2784978A
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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) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |