Patent US2672764A successfully refreshed from Google Patents.
US2672764A
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Knob fastener
Assignee: United Carr Fastener Corp
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Filing: 1950-06-15
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Granted: 1954-03-23
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Expires: 1970-06-15
Abstract
No abstract record available.
Inventors
- 👤 Jr William A Bedford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:32
CPC Classifications
G; G05; G05G; G05G1/00; G05G1/02; F; F16; F16B; F16B2/00; F16B2/20; F16B2/22; F16B2/24; F16B2/241; F16B2/243; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45471; Y10T24/45524; Y10T24/45592; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20299; Y10T74/20396; Y10T74/20468
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1400155A
Cited
US1482660A
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US1987035A
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US2238238A
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US2165412A
Cited
US2249381A
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US2316918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |