Patent US2537357A successfully refreshed from Google Patents.
US2537357A
Expired / Lapsed
US
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Volatilizing apparatus
Assignee: Individual
•
Filing: 1946-09-10
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Granted: 1951-01-09
•
Expires: 1966-09-10
Abstract
No abstract record available.
Inventors
- 👤 Levin Harold Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:27
CPC Classifications
A; A01; A01M; A01M1/00; A01M1/20; A01M1/2022; A01M1/2027; A01M1/2044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US525646A
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US942306A
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FR445544A
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US1903082A
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DE630540C
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US2114118A
Cited
US2277377A
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US2234062A
Cited
US2243752A
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US2422487A
Cited
US2391558A
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US2474607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |