US2590102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Landis Machine Co
•
Filing: 1948-11-19
•
Granted: 1952-03-25
•
Expires: 1968-11-19
Abstract
No abstract record available.
Inventors
- 👤 Cecil W Hopkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:50
CPC Classifications
B; B24; B24B; B24B47/00; B24B47/20; B24B47/206; B24B5/00; B24B5/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1814209A
Cited
US1842375A
Cited
US1998603A
Cited
US2101383A
Cited
US2113367A
Cited
US2116794A
Cited
US2364300A
Cited
US2448551A
Cited
US2427283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |