US2789594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guide for power driven rotary tools
Assignee: Individual
•
Filing: 1954-05-24
•
Granted: 1957-04-23
•
Expires: 1974-05-24
Abstract
No abstract record available.
Inventors
- 👤 Marvin W Coleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:25
CPC Classifications
B; B23; B23D; B23D47/00; B23D47/08; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/28; B23Q9/00; B23Q9/0064; B23Q9/0078; B23Q9/0085
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |