US2599645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lasting machine
Assignee: United Shoe Machinery Corp
•
Filing: 1948-12-24
•
Granted: 1952-06-10
•
Expires: 1968-12-24
Abstract
No abstract record available.
Inventors
- 👤 Norwood H Knowlton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:31
CPC Classifications
A; A43; A43D; A43D25/00; A43D25/047; A43D25/053
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1790901A
Cited
US2271612A
Cited
US2286362A
Cited
US2438917A
Cited
US2379369A
Cited
US2450667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |