US2728387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drying culture media and analogous materials
Assignee: Individual
•
Filing: 1953-05-01
•
Granted: 1955-12-27
•
Expires: 1973-05-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Horace L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:01
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/04; F26B5/041; F26B17/00; F26B17/02; F26B17/023; F26B23/00; F26B23/10; Y; Y10; Y10S; Y10S159/00; Y10S159/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US784854A
Cited
CH99815A
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US1696613A
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GB338286A
Cited
US2131666A
Cited
US2188401A
Cited
US2349300A
Cited
US2620573A
Cited
US2666994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |