US2738560A
Expired / Lapsed
US
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Concealed slide-fasteners
Assignee: Fermeture Invisible S A
•
Filing: 1953-03-19
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Granted: 1956-03-20
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Expires: 1973-03-19
Abstract
No abstract record available.
Inventors
- 👤 Hug Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:18
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/02; A44B19/08; A44B19/24; A44B19/26; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2561; Y10T24/2582; Y10T24/2591
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2032858A
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US2120924A
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US2124206A
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US2193080A
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US2306873A
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CH263022A
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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) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |