US3013602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant gas burner
Assignee: American Infra Red Radiant Co Inc
•
Filing: 1956-09-18
•
Granted: 1961-12-19
•
Expires: 1976-09-18
Abstract
No abstract record available.
Inventors
- 👤 Heimerl Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:49
CPC Classifications
F; F23; F23C; F23C99/00; H; H03; H03G; H03G1/00; H03G1/0005; H03G1/0035; H03G1/0052; H03G1/0058; H03G3/00; H03G3/20; H03G3/30; H03G3/3052; H03G3/3057; H03H; H03H2/00; H03H2/005; H03H2/008; F23C2700/00; F23C2700/04; F23C2700/043
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) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |