US2540001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double seamer
Assignee: ATLAS IMP DIESEL ENGINE CO
•
Filing: 1948-10-18
•
Granted: 1951-01-30
•
Expires: 1968-10-18
Abstract
No abstract record available.
Inventors
- 👤 Laxo Ed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:03
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/30; B21D51/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1440143A
Cited
US1598170A
Cited
US1752912A
Cited
US1763458A
Cited
US1972866A
Cited
US1996381A
Cited
US2149543A
Cited
US2216082A
Cited
US2255707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |