US2493582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus for internal-combustion engines
Assignee: Niles Bement Pond Co
•
Filing: 1943-10-20
•
Granted: 1950-01-03
•
Expires: 1963-10-20
Abstract
No abstract record available.
Inventors
- 👤 Scott F Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:57
CPC Classifications
F; F02; F02P; F02P5/00; F02P5/04; F02P5/05; F02P5/10; F02P5/103; F02P5/106; F02M; F02M69/00; F02M69/16; F02M69/18; F02M69/20; F02M69/24; F02M69/30; F02M69/36; F02M69/42
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR853146A
Cited
US1467333A
Cited
US1845818A
Cited
US2102846A
Cited
US2091924A
Cited
US2232351A
Cited
US2198100A
Cited
GB523895A
Cited
US2330650A
Cited
US2361227A
Cited
US2378037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |