US2946510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature conduit radiant overhead heating
Assignee: HI RO HEATING CORP
•
Filing: 1954-08-04
•
Granted: 1960-07-26
•
Expires: 1974-08-04
Abstract
No abstract record available.
Inventors
- 👤 Galvin Ralph Broe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:19
CPC Classifications
F; F24; F24D; F24D5/00; F24D5/06; F24D5/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB108204A
Cited
US2218404A
Cited
US2523332A
Cited
US2499207A
Cited
US2531810A
Cited
GB619251A
Cited
BE495557Q
Cited
US2577441A
Cited
US2541171A
Cited
US2561290A
Cited
US2559869A
Cited
US2625150A
Cited
US2647506A
Cited
US2764969A
Cited
FR1086133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |