US2751900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion type heater
Assignee: Modine Manufacturing Co
•
Filing: 1951-05-22
•
Granted: 1956-06-26
•
Expires: 1971-05-22
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Modine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:11
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/06; F24H3/08; F24H3/087
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2172667A
Cited
US1713442A
Cited
US1892188A
Cited
US2263098A
Cited
US2376170A
Cited
US2376171A
Cited
US2388364A
Cited
US2503261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |