Patent US3459447A successfully refreshed from Google Patents.
US3459447A
Expired / Lapsed
US
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Flush fastener for panel assembly including soft core material
Assignee: Huck Manufacturing Co
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Filing: 1966-12-13
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Granted: 1969-08-05
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Expires: 1986-12-13
Abstract
No abstract record available.
Inventors
- 👤 Ramon L Hurd
- 👤 Herbert M Wittmeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:52
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/05; F16B5/00; F16B5/01; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/926; Y10S411/928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US771935A
Cited
US906475A
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GB156918A
Cited
US1467824A
Cited
US1508316A
Cited
US1835524A
Cited
US2001645A
Cited
US2511051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |