US3490970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a separable slide fastener with a reinforced end portion
Assignee: Opti Holding AG
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Filing: 1966-07-19
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Granted: 1970-01-20
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Expires: 1986-07-19
Abstract
No abstract record available.
Inventors
- 👤 Helmut Heimberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:02
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/42; A44B19/60; A44B19/24; A44B19/36; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1089; Y10T156/109; Y10T24/00; Y10T24/25; Y10T24/2596; Y10T24/2598
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) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |