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US2861313A
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Key chain construction
Assignee: FORSTNER Inc
•
Filing: 1954-05-24
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Granted: 1958-11-25
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Expires: 1974-05-24
Abstract
No abstract record available.
Inventors
- 👤 Ruf Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:09
CPC Classifications
A; A44; A44C; A44C11/00; A44C11/005; A44B; A44B15/00; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3902; Y10T24/3987
Claims Analysis
Total Claims: 0
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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) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |