US2253291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of hollow rotating bodies
Assignee: MAGYAR RUGGYANTAARUGYAR RESZVE
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Filing: 1937-11-11
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Granted: 1941-08-19
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Expires: 1957-11-11
Abstract
No abstract record available.
Inventors
- 👤 Fraknol Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:18
CPC Classifications
B; B29; B29D; B29D22/00; B29D22/04; B29C; B29C51/00; B29C51/26; B29C51/266; B29C51/267; B29C69/00; B29C69/004; B29C65/00; B29C65/72; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1052; Y10T156/1054
Claims Analysis
Total Claims: 0
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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) | 1944-08-18 | 1945-02-17 | 1945-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-08-18 | 1949-02-17 | 1949-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-08-18 | 1953-02-17 | 1953-08-19 | $7700.00 | Window Closed / Lapsed |