Patent CH538898A successfully refreshed from Google Patents.
CH538898A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Manufacturing process for ring-shaped forgings
Assignee: Alexandrovich Grekov Nikolai
•
Filing: 1970-11-04
•
Granted: —
•
Expires: 1990-11-04
Abstract
No abstract record available.
Inventors
- 👤 Alexandrovich Grekov Nikolai
- 👤 Ivanovna Arkovenko Galina
- 👤 Petrovna Silina Elena
- 👤 Petrovna Shifrina Natalia
- 👤 Nikolaevna Sazonova Tamara
- 👤 Yakovlevich Kleimenov Vasily
- 👤 Sholomovich Kvater Iosif
- 👤 Grigorievich Zlatkin Moisei
- 👤 Alexandrovich Mirmel Vladislav
- 👤 Ivanovich Potapov Alexei
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-08 09:07
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/16; B21J; B21J5/00; B21K; B21K1/00; B21K1/76; B21K1/761; C; C22; C22F; C22F1/00; C22F1/16; C22F1/18; C22F1/183
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
Maintenance schedule is calculated for granted US utility patents.