US2643559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of slide fastener wire
Assignee: Conmar Products Corp
•
Filing: 1947-08-14
•
Granted: 1953-06-30
•
Expires: 1967-08-14
Abstract
No abstract record available.
Inventors
- 👤 Scheuerman Valentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:40
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/46; B21D53/50; B21D53/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US652709A
Cited
US1072676A
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US1147713A
Cited
US1206606A
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US1650055A
Cited
US2035034A
Cited
US2320651A
Cited
US2330936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |