Patent US2715251A successfully refreshed from Google Patents.
US2715251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Autoclave
Assignee: Individual
•
Filing: 1951-08-31
•
Granted: 1955-08-16
•
Expires: 1971-08-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Alfred Vischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:54
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/02; A61L2/04; A61L2/06; A61L2/07; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/7722; Y10T137/7737
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US899237A
Cited
US810533A
Cited
US871666A
Cited
US1914334A
Cited
US1808684A
Cited
US1925007A
Cited
US2305633A
Cited
US2392087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |