Patent US2330936A successfully refreshed from Google Patents.
US2330936A
Expired / Lapsed
US
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Manufacture of slide fastener wire
Assignee: Conmar Products Corp
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Filing: 1940-12-20
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Granted: 1943-10-05
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Expires: 1960-12-20
Abstract
No abstract record available.
Inventors
- 👤 Ulrich Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:54
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/46; B21D53/50; B21D53/52; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49782; Y10T29/49785; Y10T428/00; Y10T428/12; Y10T428/12201; Y10T428/12208; Y10T428/12229; Y10T428/12264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-10-04 | 1947-04-05 | 1947-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-04 | 1951-04-05 | 1951-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-04 | 1955-04-05 | 1955-10-05 | $7700.00 | Window Closed / Lapsed |