US3034771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desuperheater
Assignee: Schutte and Koerting Co
•
Filing: 1958-11-06
•
Granted: 1962-05-15
•
Expires: 1978-11-06
Abstract
No abstract record available.
Inventors
- 👤 Le Roy S Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:39
CPC Classifications
F; F22; F22G; F22G5/00; F22G5/12; Y; Y10; Y10S; Y10S261/00; Y10S261/13
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US92622A
Cited
US2388344A
Cited
US2598304A
Cited
US2598447A
Cited
GB700336A
Cited
US2852239A
Cited
US2808897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |