US1620868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cross-slide carriage for turning and facing blanks
Assignee: Warner and Swasey Co
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Filing: 1922-04-07
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Granted: 1927-03-15
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Expires: 1942-04-07
Abstract
No abstract record available.
Inventors
- 👤 William J Burger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:29
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q2705/00; B23Q2705/10; B23Q2705/102; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/518; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2541; Y10T82/2543; Y10T82/2572; Y10T82/2574
Claims Analysis
Total Claims: 0
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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) | 1930-03-14 | 1930-09-13 | 1931-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-03-14 | 1934-09-13 | 1935-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-03-14 | 1938-09-13 | 1939-03-15 | $7700.00 | Window Closed / Lapsed |