US3284758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fold-over blades
Assignee: Heyman Manufacturing Co
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Filing: 1964-05-19
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Granted: 1966-11-08
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Expires: 1984-05-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Ferdinand Klumpp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:04
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A FOLD-OVER ELECTRIC CONTACT BLADE COMPRISING A FIRST BLADE SECTION; INCLUDING A SHANK AND ONE END ADAPTED TO BE ATTACHED TO AN ELECTRIC WIRE, A SECOND BLADE SECTION; INCLUDING A SHANK, EACH SAID SHANK EACH HAVING AT LEAST ONE TRANSVERSE RIDGE PORTION, SAID RIDGE PORTIONS BEING ACROSS THE WIDTH OF SAID SHANK AT THE CAP LINE OF SAID BLADE, AND SAID FIRST AND SECOND BLADE SECTIONS ADAPTED TO BE FOLDED WITH SAID RIDGE PORTIONS JUXTAPOSED TO LIMIT THE THINNESS OF THE FINISHED BLADE.
Claim 2
Dependent Claim
83 words
A FOLD-OVER ELECTRIC CONTACT BLADE COMPRISING A FIRST BLADE SECTION; INCLUDING A SHANK AND ONE END ADAPTED TO BE ATTACHED TO AN ELECTRIC WIRE, A SECOND BLADE SECTION; INCLUDING A SHANK, EACH SAID SHANK EACH HAVING AT LEAST ONE TRANSVERSE RIDGE PORTION, SAID RIDGE PORTIONS BEING ACROSS THE WIDTH OF SAID SHANK AT THE CAP LINE OF SAID BLADE, AND SAID FIRST AND SECOND BLADE SECTIONS ADAPTED TO BE FOLDED WITH SAID RIDGE PORTIONS JUXTAPOSED TO LIMIT THE THINNESS OF THE FINISHED BLADE.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |