Patent US3352191A successfully refreshed from Google Patents.
US3352191A
Expired / Lapsed
US
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Dowel
Assignee: Individual
•
Filing: 1965-04-23
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Granted: 1967-11-14
•
Expires: 1985-04-23
Abstract
No abstract record available.
Inventors
- 👤 Allan H Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:38
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/10; F16B12/12; F16B12/24; F16B19/00; F16B19/002; F16B19/004; A; A47; A47B; A47B2230/00; A47B2230/0029; A47B2230/0037; Y; Y10; Y10S; Y10S411/00; Y10S411/913; Y10T; Y10T403/00; Y10T403/49; Y10T403/4949; Y10T403/55
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
A ONE-PIECE DOWEL COMPRISING A LONGITUDINALLY SLIT TUBULAR SHAPED, RESILIENT MEMBER, SAID MEMBER HAVING A FIRST EDGE PORTION ALONG ONE SIDE OF THE SLIT EXTENDING AT LEAST PARTIALLY ON EACH SIDE OF THE TRANSVERSE CENTERLINE OF THE DOWEL AND PROJECTING SUBSTANTIALLY RADIALLY TOWARDS THE INTERIOR THEREOF, SAID FIRST EDGE PORTION DEFINGING A SUBSTANTIALLY PLANAR FLANGE FOR ABUTTING RELATIONSHIP WITH A SECOND EDGE PORTION AND THEREBY PREVENT COLLAPSE OF THE TUBULAR MEMBER UPON ITS INSERTION INTO AN OPENING IN A WORKPIECE, SAID MEMBER HAVING TWO GROUPS OF INCLINED PROJECTIONS PROJECTING FROM AN OUTER SURFACE THEREOF, ONE GROUP OF SAID PROJECTIONS BEING CONFINED TO ONE LONGITUDINAL HALF OF THE MEMBER AND PROJECTING IN A DIRECTION TOWARD
References Cited (Backward Citations)
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US1354549A
Cited
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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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |