Patent US2797463A successfully refreshed from Google Patents.
US2797463A
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US
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Extruded fastener
Assignee: Talon Inc
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Filing: 1953-03-12
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Granted: 1957-07-02
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Expires: 1973-03-12
Abstract
No abstract record available.
Inventors
- 👤 Leonard M Dorman
- 👤 Morner Hans George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:52
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/10; A44B19/16; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/38; Y10T; Y10T24/00; Y10T24/25; Y10T24/2532; Y10T24/45; Y10T24/45152; Y10T24/45157; Y10T24/45162
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) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |