US2956593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic charging device for pirn changing apparatus
Assignee: Georg Fischer AG
•
Filing: 1958-08-13
•
Granted: 1960-10-18
•
Expires: 1978-08-13
Abstract
No abstract record available.
Inventors
- 👤 Baumann Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:55
CPC Classifications
D; D03; D03D; D03D45/00; D03D45/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US971541A
Cited
US1011969A
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US1060831A
Cited
US1058977A
Cited
US2318743A
Cited
US2354624A
Cited
US2892470A
Cited
US2872948A
Cited
US2845957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |