Patent US2690691A successfully refreshed from Google Patents.
US2690691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single spindle automatic lathe
Assignee: Cone Automatic Machine Co Inc
•
Filing: 1949-09-15
•
Granted: 1954-10-05
•
Expires: 1969-09-15
Abstract
No abstract record available.
Inventors
- 👤 Herbert H Ranney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:03
CPC Classifications
B; B23; B23B; B23B7/00; B23B7/02; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5168; Y10T29/5171; Y10T82/00; Y10T82/13; Y10T82/135; Y10T82/15; Y10T82/154; Y10T82/156; Y10T82/25; Y10T82/2514; Y10T82/2516; Y10T82/2531; Y10T82/2541; Y10T82/2543
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US120593A
Cited
US627385A
Cited
US1467304A
Cited
US1635285A
Cited
US1762988A
Cited
US1956999A
Cited
US1954964A
Cited
US2029638A
Cited
US2257729A
Cited
US2092202A
Cited
US2255170A
Cited
US2425308A
Cited
US2441533A
Cited
US2369466A
Cited
US2480319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |