US3448656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool slides for lathes
Assignee: Froriep Maschf GmbH
•
Filing: 1966-05-10
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Granted: 1969-06-10
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Expires: 1986-05-10
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Bottger
- 👤 Paul Cuppers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:36
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/0078; B23Q11/0092; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30784; Y10T409/308456; Y10T409/309576; Y10T409/309856; Y10T409/309912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1004620A
Cited
DE368843C
Cited
US2063344A
Cited
US2491859A
Cited
US3023677A
Cited
FR1304586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |