US2397438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connector for chemical and laboratory tubing
Assignee: ARTHUR H THOMAS CO
•
Filing: 1942-10-13
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Granted: 1946-03-26
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Expires: 1962-10-13
Abstract
No abstract record available.
Inventors
- 👤 Leopold J Schmid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:30
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/56; B01L3/565; B01L9/00; B01L9/50; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3428; Y10T24/44; Y10T24/44291; Y10T24/44376; Y10T24/44385; Y10T24/44427
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) | 1949-03-25 | 1949-09-24 | 1950-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-03-25 | 1953-09-24 | 1954-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-03-25 | 1957-09-24 | 1958-03-26 | $7700.00 | Window Closed / Lapsed |