Patent US2159446A successfully refreshed from Google Patents.
US2159446A
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Knob fastener installation and fastener for the same
Assignee: United Carr Fastener Corp
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Filing: 1938-02-18
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Granted: 1939-05-23
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Expires: 1958-02-18
Abstract
No abstract record available.
Inventors
- 👤 Howard J Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:46
CPC Classifications
G; G05; G05G; G05G1/00; G05G1/02; F; F16; F16B; F16B2/00; F16B2/20; F16B2/22; F16B2/24; F16B2/241; F16B2/245; F16B2/246; F16B21/00; F16B21/10; F16B21/20; G05G1/08; G05G1/10; G05G1/12; E; E05; E05B; E05B3/00; E05B2003/006; F16B2200/00; F16B2200/10; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T292/00; Y10T292/85; Y10T292/854; Y10T403/00; Y10T403/49; Y10T403/4916; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20762
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-05-22 | 1942-11-21 | 1943-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-22 | 1946-11-21 | 1947-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-22 | 1950-11-21 | 1951-05-23 | $7700.00 | Window Closed / Lapsed |