Patent US2661044A successfully refreshed from Google Patents.
US2661044A
Expired / Lapsed
US
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Length control for slide fastener machines
Assignee: Conmar Products Corp
•
Filing: 1948-05-19
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Granted: 1953-12-01
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Expires: 1968-05-19
Abstract
No abstract record available.
Inventors
- 👤 Otto G Scheuermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:52
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/46; B21D53/50; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53004; Y10T29/53017; Y10T29/53291; Y10T29/53304
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) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |