US2601242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the combustion of combustible and vaporizable substances
Assignee: Individual
•
Filing: 1944-08-26
•
Granted: 1952-06-24
•
Expires: 1964-08-26
Abstract
No abstract record available.
Inventors
- 👤 Claude A Bonvillian
- 👤 Ralph C Brierly
- 👤 Letvin Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:06
CPC Classifications
F; F23; F23C; F23C99/00; F23C2700/00; F23C2700/02; F23C2700/026
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |