US3060908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid heating unit
Assignee: Babcock and Wilcox Co
•
Filing: 1958-05-13
•
Granted: 1962-10-30
•
Expires: 1978-05-13
Abstract
No abstract record available.
Inventors
- 👤 Paul M Brister
- 👤 Harvey H Nelken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:29
CPC Classifications
F; F28; F28F; F28F13/00; F28F13/06; F28F13/08; F22; F22G; F22G1/00; F22G1/16; F22G5/00; F22G5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1223108A
Cited
US1842235A
Cited
US2213185A
Cited
GB588570A
Cited
US2677354A
Cited
US2905157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |