Patent US2557441A successfully refreshed from Google Patents.
US2557441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed for guns or the like
Assignee: Harvey Machine Co Inc
•
Filing: 1944-05-01
•
Granted: 1951-06-19
•
Expires: 1964-05-01
Abstract
No abstract record available.
Inventors
- 👤 Alvin J Kornblum
- 👤 Arthur H Kuriloff
- 👤 Harvey Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:33
CPC Classifications
F; F41; F41A; F41A9/00; F41A9/50; F41A9/51
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1313537A
Cited
US866820A
Cited
US1078719A
Cited
US1358255A
Cited
US1438443A
Cited
FR690426A
Cited
US1993413A
Cited
US2269473A
Cited
GB486684A
Cited
US2364309A
Cited
GB539855A
Cited
US2403170A
Cited
US2342065A
Cited
US2329308A
Cited
GB554306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |