US2731869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
For lathes and the like pparatus
Assignee: —
•
Filing: —
•
Granted: 1956-01-24
•
Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:36
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q2735/00; B23Q2735/02; B23Q2735/025; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301624; Y10T409/30168; Y10T409/302408; Y10T409/302968; Y10T409/303192; Y10T409/309576; Y10T409/309856; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/25; Y10T82/2531; Y10T82/2533; Y10T82/2535; Y10T82/2537
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US658540A
Cited
US2116593A
Cited
US2388555A
Cited
US2492731A
Cited
US2559575A
Cited
US2476214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |