US3516409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide fastener employing skin closure appliances and techniques
Assignee: Individual
•
Filing: 1968-02-28
•
Granted: 1970-06-23
•
Expires: 1988-02-28
Abstract
No abstract record available.
Inventors
- 👤 Robert B Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:37
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/08; A61B17/085; A61B2017/088; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2509; Y10T24/2561
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2012755A
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US2520484A
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US2775012A
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US2820272A
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US2752921A
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US2873741A
Cited
US2997766A
Cited
US2994469A
Cited
US3121021A
Cited
US3121928A
Cited
US3324522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |