Patent US2643430A successfully refreshed from Google Patents.
US2643430A
Expired / Lapsed
US
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Covered buckle and parts thereof
Assignee: C E M Co
•
Filing: 1950-06-20
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Granted: 1953-06-30
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Expires: 1970-06-20
Abstract
No abstract record available.
Inventors
- 👤 Koehl Herman
- 👤 Hans A Prym
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:15
CPC Classifications
A; A44; A44B; A44B11/00; A44B11/001; A44B11/003; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/367; Y10T24/40; Y10T24/4095
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |