US2450554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instrument positioning device
Assignee: United Shoe Machinery Corp
•
Filing: 1944-09-20
•
Granted: 1948-10-05
•
Expires: 1964-09-20
Abstract
No abstract record available.
Inventors
- 👤 Jacob C Jorgensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:53
CPC Classifications
F; F41; F41A; F41A27/00; F41A27/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1382241A
Cited
US1364525A
Cited
US1894098A
Cited
US1828860A
Cited
US1888091A
Cited
GB397274A
Cited
US2237930A
Cited
US2316320A
Cited
US2212460A
Cited
US2278557A
Cited
US2379180A
Cited
US2371553A
Cited
US2341463A
Cited
US2366908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-05 | 1952-04-05 | 1952-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-05 | 1956-04-05 | 1956-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-05 | 1960-04-05 | 1960-10-05 | $7700.00 | Window Closed / Lapsed |