US2837624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaporizer
Assignee: KAY Manufacturing CO Inc
•
Filing: 1955-04-12
•
Granted: 1958-06-03
•
Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Katzman Max
- 👤 Katzman Lawrence
- 👤 Block Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:14
CPC Classifications
F; F24; F24H; F24H1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1955963A
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USRE24107E
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US1156074A
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US1180735A
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US1348807A
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US1625034A
Cited
US1927316A
Cited
US1805988A
Cited
US2051719A
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US2611068A
Cited
US2653708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |