US2601541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recessing tool
Assignee: Individual
•
Filing: 1947-01-13
•
Granted: 1952-06-24
•
Expires: 1967-01-13
Abstract
No abstract record available.
Inventors
- 👤 Fred A Maxwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:46
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03432; B23B29/03467; B23B29/03475; Y; Y10; Y10T; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/856; Y10T82/00; Y10T82/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE198194C
Cited
DE222341C
Cited
US963596A
Cited
US1361686A
Cited
US1962951A
Cited
DE609356C
Cited
US2166923A
Cited
US2365549A
Cited
US2431815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |