Patent US2674130A successfully refreshed from Google Patents.
US2674130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable machine tool
Assignee: Individual
•
Filing: 1952-12-19
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Granted: 1954-04-06
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Expires: 1972-12-19
Abstract
No abstract record available.
Inventors
- 👤 Spychalla Alex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:41
CPC Classifications
B; B27; B27C; B27C9/00; B27C9/04; Y; Y10; Y10T; Y10T408/00; Y10T408/34; Y10T408/348; Y10T408/35; Y10T408/55; Y10T408/561; Y10T408/5626; Y10T83/00; Y10T83/869; Y10T83/8727; Y10T83/8732; Y10T83/95; Y10T83/96
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) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |