US2814847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced slide fasteners
Assignee: RI RI WERKE AG
•
Filing: 1955-04-07
•
Granted: 1957-12-03
•
Expires: 1975-04-07
Abstract
No abstract record available.
Inventors
- 👤 Zbinden Johann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:41
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/38; A44B19/34; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2593; Y10T24/2595
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2067735A
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US2017912A
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US2102223A
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US2172215A
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US2300442A
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US2605728A
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FR1037388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |