Patent JPS49101694A successfully refreshed from Google Patents.
US2360094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger
Assignee: MONITOR HEAT EXCHANGE Corp
•
Filing: 1941-05-17
•
Granted: 1944-10-10
•
Expires: 1961-05-17
Abstract
No abstract record available.
Inventors
- 👤 Nathan A Arvins
- 👤 Abraham A Arvintz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:09
CPC Classifications
F; F23; F23K; F23K5/00; F23K5/02; F23K5/14; F23K5/20; F28; F28D; F28D7/00; F28D7/005; F28D7/16; F28D7/163; F28D7/1638; F28D7/1646; F28F; F28F1/00; F28F1/003; F28F13/00; F28F13/06; F28F9/00; F28F9/02; F28F9/0219; F28F2265/00; F28F2265/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-10-10 | 1948-04-10 | 1948-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-10 | 1952-04-10 | 1952-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-10 | 1956-04-10 | 1956-10-10 | $7700.00 | Window Closed / Lapsed |