US2622296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slider for slide fasteners
Assignee: Waldes Kohinoor Inc
•
Filing: 1950-01-04
•
Granted: 1952-12-23
•
Expires: 1970-01-04
Abstract
No abstract record available.
Inventors
- 👤 Erdmann Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:24
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/26; A44B19/30; A44B19/306; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2561; Y10T24/2566; Y10T24/257; Y10T24/2571
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1936096A
Cited
US2057126A
Cited
GB417781A
Cited
US2027327A
Cited
CH190601A
Cited
US2053463A
Cited
GB532431A
Cited
US2373523A
Cited
CH238508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |