US2608433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tongs for test tubes or the like
Assignee: Individual
•
Filing: 1947-08-11
•
Granted: 1952-08-26
•
Expires: 1967-08-11
Abstract
No abstract record available.
Inventors
- 👤 Marbeuf Armand Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:48
CPC Classifications
B; B01; B01L; B01L9/00; B01L9/50; B25; B25B; B25B9/00; B25B9/02; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44932; Y10T24/4494
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) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |