US2072303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial threads, bands, tubes, and the like for surgical and other purposes
Assignee: CHEMISCHE FORSCHUNGS GmbH
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Filing: 1933-10-14
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Granted: 1937-03-02
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Expires: 1953-10-14
Abstract
No abstract record available.
Inventors
- 👤 Willy O Herrmann
- 👤 Hammer Fritz
- 👤 Kassel Bezirk
- 👤 Haehnel Wolfram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:28
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/02; A61J; A61J3/00; A61J3/07; A61K47/00; A61K47/30; A61K47/32; A61K9/48; A61K9/4816; A61K9/70; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/24; D; D01; D01F; D01F6/00; D01F6/02; D01F6/14; Y; Y10; Y10S; Y10S260/00; Y10S260/47
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) | 1940-03-01 | 1940-08-31 | 1941-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-01 | 1944-08-31 | 1945-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-01 | 1948-08-31 | 1949-03-02 | $7700.00 | Window Closed / Lapsed |