Patent US2557501A successfully refreshed from Google Patents.
US2557501A
Expired / Lapsed
US
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Vaporizer
Assignee: Individual
•
Filing: 1949-12-01
•
Granted: 1951-06-19
•
Expires: 1969-12-01
Abstract
No abstract record available.
Inventors
- 👤 Fusay Jules
- 👤 Eventoff Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:03
CPC Classifications
A; A47; A47G; A47G29/00; A61; A61L; A61L9/00; A61L9/015; A61L9/02; A61L9/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1530103A
Cited
US2088717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |