US2645967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Profiling attachment
Assignee: Georg Fischer AG
•
Filing: 1946-03-13
•
Granted: 1953-07-21
•
Expires: 1966-03-13
Abstract
No abstract record available.
Inventors
- 👤 Zelewsky Ottomar Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:17
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/18; B23Q35/181; B23Q35/183; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303416; Y10T409/303472; Y10T409/30364; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1166126A
Cited
US1393208A
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US1498511A
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US2250241A
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US2331443A
Cited
US2330566A
Cited
US2375831A
Cited
US2437570A
Cited
US2422682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |