US2940247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing catgut threads and strings
Assignee: Graf & Co R
•
Filing: 1958-06-16
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Granted: 1960-06-14
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Expires: 1978-06-16
Abstract
No abstract record available.
Inventors
- 👤 Kirschbaum Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:06
CPC Classifications
A; A61; A61L; A61L17/00; A61L17/06; A61L17/08; A63; A63B; A63B51/00; A63B51/02; D; D02; D02G; D02G3/00; D02G3/02; D02G3/10; G; G10; G10D; G10D3/00; G10D3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |