US2635031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cabinet and rack for storing test tubes
Assignee: AC Gilbert Co
•
Filing: 1945-04-23
•
Granted: 1953-04-14
•
Expires: 1965-04-23
Abstract
No abstract record available.
Inventors
- 👤 Oscar P Erhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:15
CPC Classifications
B; B01; B01L; B01L9/00; B01L9/06; B01L1/00; B01L1/52
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |