Patent US2828721A successfully refreshed from Google Patents.
US2650979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for electrically disintegrating metallic material
Assignee: Method X Co
•
Filing: 1950-06-21
•
Granted: 1953-09-01
•
Expires: 1970-06-21
Abstract
No abstract record available.
Inventors
- 👤 Edmund E Teubner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:06
CPC Classifications
B; B23; B23H; B23H9/00; B23H9/003; B23H1/00; Y; Y10; Y10T; Y10T408/00; Y10T408/03; Y10T408/55; Y10T408/561; Y10T408/5623; Y10T408/56245
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1195145A
Cited
US2335741A
Cited
US2441319A
Cited
US2404053A
Cited
US2501954A
Cited
CH257468A
Cited
US2526423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |