Patent US3926568A successfully refreshed from Google Patents.
Patent US2086915A successfully refreshed from Google Patents.
US2086915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Individual
•
Filing: 1934-11-09
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Granted: 1937-07-13
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Expires: 1954-11-09
Abstract
No abstract record available.
Inventors
- 👤 Kopp Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:57
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/48; B23Q1/50; B23Q1/54; B23Q1/5468; B23Q1/5481; B23Q1/70; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/108; B23Q35/22; B23Q5/00; B23Q5/22; B23Q5/34; B23Q5/341; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/302968; Y10T409/303024; Y10T409/303248; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/19; Y10T74/19642; Y10T74/1967; Y10T74/21; Y10T74/2101
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) | 1940-07-12 | 1941-01-11 | 1941-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-07-12 | 1945-01-11 | 1945-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-07-12 | 1949-01-11 | 1949-07-13 | $7700.00 | Window Closed / Lapsed |