USRE25034E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proler
Assignee: —
•
Filing: —
•
Granted: 1961-08-29
•
Expires: 1978-08-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:17
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/56; C21C5/562; C21C5/565; F; F27; F27D; F27D13/00; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49751; Y10T29/49755; Y10T29/49757
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |