US3333500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-clinching staple
Assignee: Individual
•
Filing: 1965-03-19
•
Granted: 1967-08-01
•
Expires: 1985-03-19
Abstract
No abstract record available.
Inventors
- 👤 Hoyt C Kelsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:57
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/0015; Y; Y10; Y10S; Y10S411/00; Y10S411/92
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
AS AN ARTICLE OF MANUFACTURE, A SELF-CLINCHING STAPLE COMPRISING A SINGLE, CONTINUOUS LENGTH OF MATERIAL HAVING A PAIR OF SPACED POINTS FORMED BY DOUBLING BACK SPACED PORTIONS OF SAID MATERIAL SO THAT EACH POINT HAS SPACED REARWARD END PORTIONS, A SUBSTANTIALLY U-SHAPED BRIDGE INCLUDING A PAIR OF SUBSTANTIALLY PARALLEL LEGS JOINING A CORRESPONDING END PORTION OF EACH SAID POINTS, AND A COPLANAR ARCH-LIKE MEMBER BENEATH SAID BRIDGE JOINING THE OTHER END PORTION OF EACH OF SAID POINTS, SAID ARCH-
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |