US2665556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated bayonet tube vaporizer
Assignee: Griscom Russell Co
•
Filing: 1951-02-03
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Granted: 1954-01-12
•
Expires: 1971-02-03
Abstract
No abstract record available.
Inventors
- 👤 Philip S Otten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:53
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2227/00; F17C2227/03; F17C2227/0367; F17C2227/0388; F17C2227/039; F17C2227/0393
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB122563A
Cited
US2361075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |