US2636235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Button securing device
Assignee: Individual
•
Filing: 1951-09-22
•
Granted: 1953-04-28
•
Expires: 1971-09-22
Abstract
No abstract record available.
Inventors
- 👤 Erik A Nygard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:51
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/12; F16B5/123; F16B5/125; A; A44; A44B; A44B1/00; A44B1/18; A44B1/28; A44B1/34; F16B5/128; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/43; Y10S24/47; Y10S24/48; Y10S411/00; Y10S411/918; Y10T; Y10T24/00; Y10T24/36; Y10T24/3651; Y10T24/3655; Y10T24/3664; Y10T24/45; Y10T24/45005; Y10T24/45037; Y10T24/45042; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49876
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) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |