US2487289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: LUCIEN I YEOMANS Inc
•
Filing: 1943-09-24
•
Granted: 1949-11-08
•
Expires: 1963-09-24
Abstract
No abstract record available.
Inventors
- 👤 Lucien I Yeomans
- 👤 Raymond P Frye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:41
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/02; B; B23; B23Q; B23Q1/00; B23Q1/01; B23Q1/015; B23Q1/03; B23Q1/032; B23Q1/25; B23Q1/26; B23Q5/00; B23Q5/02; B23Q5/027; B23Q9/00; B23Q9/0014; F16C2322/00; F16C2322/39; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/305488; Y10T409/305936; Y10T409/30868; Y10T82/00; Y10T82/25; Y10T82/2566
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1309384A
Cited
US1189675A
Cited
US1218044A
Cited
US1859025A
Cited
US1888309A
Cited
US1913975A
Cited
US2181185A
Cited
US2317734A
Cited
US2376929A
Cited
US2363383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |