US2443620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for heat-treating materials
Assignee: Alaska Pacific Salmon Co
•
Filing: 1944-06-24
•
Granted: 1948-06-22
•
Expires: 1964-06-24
Abstract
No abstract record available.
Inventors
- 👤 Hubbard John William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:55
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/04; A23N; A23N12/00; A23N12/08; A23N12/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1313020A
Cited
USRE19390E
Cited
US1515385A
Cited
US1603189A
Cited
US2097591A
Cited
US2348066A
Cited
US2388298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-22 | 1951-12-22 | 1952-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-22 | 1955-12-22 | 1956-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-22 | 1959-12-22 | 1960-06-22 | $7700.00 | Window Closed / Lapsed |