US3307234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
File fastener
Assignee: Intex Oil Co
•
Filing: 1964-09-21
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Granted: 1967-03-07
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Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Raymond S Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:24
CPC Classifications
B; B42; B42F; B42F13/00; B42F13/02; Y; Y10; Y10T; Y10T24/00; Y10T24/49; Y10T24/492; Y10T24/497
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A FILE FASTENER COMPRISING A BASE, A PAIR OF TONGUES INTEGRAL WITH SAID BASE AND EXTENDING ONE FROM EACH END THEREOF, SAID BASE AND TONGUES BEING FORMED OF A MALLEABLE MATERIAL, A FIRST PLASTIC MEMBER CEMENTED TO THE INSIDE OF ONE OF SAID TONGUES, AND A SECOND PLASTIC MEMBER CEMENTED TO THE OUTSIDE OF THE OTHER OF SAID TONGUES, ONE OF SAID PLASTIC MEMBERS HAVING A PAIR OF LONGITUDINAL GROOVES AND THE OTHER OF SAID PLASTIC MEMBERS HAVING A MATCHING PAIR OF LONGITUDINAL RIDGES ADAPTED TO FIT IN SAID GROOVES TO HOLD SAID TONGUES TOGETHER WHEN FOLDED INWARDLY INTO CONTACTING POSITION.
Claim 2
Dependent Claim
101 words
A FILE FASTENER COMPRISING A BASE, A PAIR OF TONGUES INTEGRAL WITH SAID BASE AND EXTENDING ONE FROM EACH END THEREOF, SAID BASE AND TONGUES BEING FORMED OF A MALLEABLE MATERIAL, A FIRST PLASTIC MEMBER CEMENTED TO THE INSIDE OF ONE OF SAID TONGUES, AND A SECOND PLASTIC MEMBER CEMENTED TO THE OUTSIDE OF THE OTHER OF SAID TONGUES, ONE OF SAID PLASTIC MEMBERS HAVING A PAIR OF LONGITUDINAL GROOVES AND THE OTHER OF SAID PLASTIC MEMBERS HAVING A MATCHING PAIR OF LONGITUDINAL RIDGES ADAPTED TO FIT IN SAID GROOVES TO HOLD SAID TONGUES TOGETHER WHEN FOLDED INWARDLY INTO CONTACTING POSITION.
References Cited (Backward Citations)
BE507101A
Cited
US2345484A
Cited
US2328268A
Cited
FR1007056A
Cited
FR1176188A
Cited
US3074133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |