US2872731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing-supported router
Assignee: Individual
•
Filing: 1955-02-03
•
Granted: 1959-02-10
•
Expires: 1975-02-03
Abstract
No abstract record available.
Inventors
- 👤 John W Greenwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:03
CPC Classifications
A; A61; A61F; A61F15/00; A61F15/02; B; B23; B23D; B23D57/00; B23Q; B23Q3/00; B23Q3/02; B23Q3/10; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/306216; Y10T409/306552; Y10T409/306608
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) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |