US2612795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for manufacturing slide fasteners
Assignee: STAR FASTENER Inc
•
Filing: 1949-06-02
•
Granted: 1952-10-07
•
Expires: 1969-06-02
Abstract
No abstract record available.
Inventors
- 👤 Kaufmann Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:57
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/46; B21D53/50; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49782; Y10T29/49785; Y10T29/49789; Y10T29/49794; Y10T29/51; Y10T29/5116
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |