Patent US3298071A successfully refreshed from Google Patents.
US3298071A
Expired / Lapsed
US
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Fastener locking device
Assignee: Tinnerman Products Inc
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Filing: 1964-05-05
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Granted: 1967-01-17
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Expires: 1984-05-05
Abstract
No abstract record available.
Inventors
- 👤 Laurence H Flora
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:52
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/02; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/51; Y10S24/53; Y10T; Y10T24/00; Y10T24/30; Y10T24/303; Y10T24/309; Y10T24/45; Y10T24/45005; Y10T24/45089
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
A ROTARY, FRACTIONAL TURN FASTENER MADE FROM POLYMERIC MATERIALS FOR INSERTION THROUGH A POLYGONAL OPENING IN A SUPPORT MEMBER, COMPRISING, AN ELONGATED BODY ADAPTED TO BE DISPOSED ADJACENT ONE SIDE OF A SUPPORT MEMBER, A SHANK DEPENDING DOWNWARDLY FROM SAID BODY AND ADAPTED TO BE INSERTED THROUGH THE OPENING IN SAID SUPPORT MEMBER, SAID SHANK INCLUDING A PLURALITY OF INTEGRALLY CONNECTED, VERTICALLY EXTENDING LEGS WHICH TOGETHER DEFINE A GENERALLY CRUCIFORM SHAPE IN CROSS SECTION, EACH OF SAID LEGS INCLUDING A TAPERED, SEVERABLE EDGE PROJECTING OUTWARDLY THEREFROM AND EXTENDING VERTICALLY FROM SAID BODY, SAID EDGES HAVING A SUBSTANTIALLY REDUCED CROSSSECTIONAL WIDTH AS COMPARED TO THE CROSS-SECTIONAL WIDTH OF THEIR RESPECTIVE LEGS, EACH OF SAID EDGES HAVING AXIALLY EXTENDING CUT-OUT PORTIONS ON OPPOSED SIDES THEREOF AD-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |