US2765394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and machine for cutting metal
Assignee: Rohr Inc
•
Filing: 1955-02-14
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Granted: 1956-10-02
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Expires: 1975-02-14
Abstract
No abstract record available.
Inventors
- 👤 Charles G Griffith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:05
CPC Classifications
B; B23; B23H; B23H9/00; Y; Y10; Y10S; Y10S83/00; Y10S83/929; Y10S83/953
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) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |