Patent US3527274A successfully refreshed from Google Patents.
US3527274A
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US
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Continuous dovetailing machine
Assignee: Individual
•
Filing: 1966-10-21
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Granted: 1970-09-08
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Expires: 1986-10-21
Abstract
No abstract record available.
Inventors
- 👤 Kurt Kramer
- 👤 Erwin Dimter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:32
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/56; B23Q1/60; B23Q1/62; B23Q1/621; B23Q1/50; B23Q1/54; B23Q1/5468; B23Q3/00; B23Q3/16; B23Q7/00; B23Q7/03; B23Q7/035; B27; B27F; B27F1/00; B27F1/02; B27F1/08; B27G; B27G11/00; B27M; B27M3/00; B27M3/0013; B27M3/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |