US2782574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work holder
Assignee: General Dynamics Corp
•
Filing: 1954-09-16
•
Granted: 1957-02-26
•
Expires: 1974-09-16
Abstract
No abstract record available.
Inventors
- 👤 Milburn C Copold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:21
CPC Classifications
B; B25; B25B; B25B11/00; B25B11/005; Y; Y10; Y10S; Y10S29/00; Y10S29/044; Y10S409/00; Y10S409/903; Y10T; Y10T279/00; Y10T279/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US385256A
Cited
US1411031A
Cited
US1467486A
Cited
US1507445A
Cited
US1657110A
Cited
US2198765A
Cited
US2317348A
Cited
US2443987A
Cited
US2446295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |