Patent US2539003A successfully refreshed from Google Patents.
US2539003A
Expired / Lapsed
US
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Portable machine tool
Assignee: Individual
•
Filing: 1946-09-30
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Granted: 1951-01-23
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Expires: 1966-09-30
Abstract
No abstract record available.
Inventors
- 👤 Agustoni Romeo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:01
CPC Classifications
B; B23; B23B; B23B45/00; B23B45/02; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17957; Y10T279/17965; Y10T279/34; Y10T279/3406; Y10T279/3412; Y10T403/00; Y10T403/67; Y10T408/00; Y10T408/31
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) | 1954-01-22 | 1954-07-24 | 1955-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-22 | 1958-07-24 | 1959-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-22 | 1962-07-24 | 1963-01-23 | $7700.00 | Window Closed / Lapsed |