US2986790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap fastener construction
Assignee: RAU FASTENER CO
•
Filing: 1959-08-03
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Granted: 1961-06-06
•
Expires: 1979-08-03
Abstract
No abstract record available.
Inventors
- 👤 Bernard R Silver
- 👤 Harold W Umlandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:55
CPC Classifications
A; A44; A44B; A44B17/00; A44B17/0064; A44B17/0088; A44B17/007; A44B17/0094; A44D; A44D2201/00; A44D2201/50; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3497; Y10T24/36; Y10T24/3611; Y10T24/3613; Y10T24/45; Y10T24/45225; Y10T24/4588; Y10T24/45906; Y10T24/45927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |