US2903949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Helve action telescoping boom compactor
Assignee: JOHN H LUCAS
•
Filing: 1956-05-14
•
Granted: 1959-09-15
•
Expires: 1976-05-14
Abstract
No abstract record available.
Inventors
- 👤 Wayne W Simmonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:27
CPC Classifications
E; E02; E02D; E02D3/00; E02D3/02; E02D3/046
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US429807A
Cited
GB190626275A
Cited
FR371964A
Cited
US1129230A
Cited
US1611326A
Cited
US1654014A
Cited
US1731984A
Cited
US1945322A
Cited
US2462926A
Cited
US2586352A
Cited
US2684159A
Cited
US2638749A
Cited
US2787383A
Cited
US2746612A
Cited
US2801012A
Cited
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 |