Patent US1292621A successfully refreshed from Google Patents.
Patent US1280215A successfully refreshed from Google Patents.
US1280215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick-change-swing precision-lathe.
Assignee: Hardinge Inc
•
Filing: 1915-01-28
•
Granted: 1918-10-01
•
Expires: 1935-01-28
Abstract
No abstract record available.
Inventors
- 👤 Franklin Hardinge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:09
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/12; B23Q5/14; B23Q5/142; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2547; Y10T82/2552
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1921-09-30 | 1922-04-01 | 1922-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-09-30 | 1926-04-01 | 1926-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-09-30 | 1930-04-01 | 1930-10-01 | $7700.00 | Window Closed / Lapsed |