Patent US2699481A successfully refreshed from Google Patents.
US2699481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control apparatus for internal-combustion engines of locomotives and the ike
Assignee: KYSOR HEATOR Co
•
Filing: 1952-07-03
•
Granted: 1955-01-11
•
Expires: 1972-07-03
Abstract
No abstract record available.
Inventors
- 👤 David R Ferris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:23
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/1906; G05D23/1912
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2092085A
Cited
US2296063A
Cited
US2355975A
Cited
US2379305A
Cited
US2338365A
Cited
US2496229A
Cited
US2562385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |