US2579082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toolholder
Assignee: Individual
•
Filing: 1950-02-09
•
Granted: 1951-12-18
•
Expires: 1970-02-09
Abstract
No abstract record available.
Inventors
- 👤 Kramer Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:01
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/113; Y; Y10; Y10S; Y10S279/00; Y10S279/904; Y10T; Y10T279/00; Y10T279/17; Y10T279/17957; Y10T279/17965; Y10T279/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US717199A
Cited
US802247A
Cited
US1041338A
Cited
US1157513A
Cited
US1618998A
Cited
US1934415A
Cited
US2039855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |