US3063493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement of thermocatalytic heating elements
Assignee: American Thermocatalytic Corp
•
Filing: 1959-09-17
•
Granted: 1962-11-13
•
Expires: 1979-09-17
Abstract
No abstract record available.
Inventors
- 👤 Weiss Gerhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:29
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/06; F23G7/07
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1213470A
Cited
GB333891A
Cited
US2233675A
Cited
US2183596A
Cited
US2671507A
Cited
US2759473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |