US2661548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Covered sole member
Assignee: United Shoe Machinery Corp
•
Filing: 1950-03-11
•
Granted: 1953-12-08
•
Expires: 1970-03-11
Abstract
No abstract record available.
Inventors
- 👤 Karl A Stritter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:02
CPC Classifications
A; A43; A43B; A43B9/00; A43B9/04; A43B9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US364147A
Cited
US449167A
Cited
US508399A
Cited
US1734738A
Cited
CH173394A
Cited
US2246480A
Cited
GB543084A
Cited
US2370789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |