US2552679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooled injection nozzle
Assignee: Ambac International Corp
•
Filing: 1947-11-05
•
Granted: 1951-05-15
•
Expires: 1967-11-05
Abstract
No abstract record available.
Inventors
- 👤 Hogeman Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:59
CPC Classifications
F; F02; F02M; F02M61/00; F02M61/04; F02M61/10; F02M53/00; F02M53/04; F02M61/16; F02M61/18; F02M2700/00; F02M2700/07; F02M2700/074
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB353781A
Cited
CH158627A
Cited
US1981913A
Cited
US2108647A
Cited
US2144861A
Cited
CH218975A
Cited
US2315907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |