Patent US2820533A successfully refreshed from Google Patents.
US2820533A
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Two-piece snap fastener
Assignee: FRICK GALLAGHER Manufacturing CO
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Filing: 1954-09-02
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Granted: 1958-01-21
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Expires: 1974-09-02
Abstract
No abstract record available.
Inventors
- 👤 Edward H Mount
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:35
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/10; F16B12/28; F16B12/38; F16B5/00; F16B5/06; A; A47; A47F; A47F5/00; A47F5/0043; A47F5/005; A47F5/0068; A47F5/04; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/31; Y10S24/35; Y10T; Y10T24/00; Y10T24/45; Y10T24/45152; Y10T24/45173; Y10T24/45178; Y10T403/00; Y10T403/71; Y10T403/7123; Y10T403/7152
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) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |