US2614447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tailstock
Assignee: SPARKS MACHINE TOOL Corp
•
Filing: 1948-09-25
•
Granted: 1952-10-21
•
Expires: 1968-09-25
Abstract
No abstract record available.
Inventors
- 👤 Edmund J Lomazzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:37
CPC Classifications
B; B23; B23B; B23B23/00; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2564
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US651381A
Cited
US1162794A
Cited
US1408837A
Cited
US1834831A
Cited
US2140565A
Cited
US2389746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |