Patent US3345765A successfully refreshed from Google Patents.
US3345765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversely bent resilient retainer for digging implement blades
Assignee: Individual
•
Filing: 1965-05-05
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Granted: 1967-10-10
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Expires: 1985-05-05
Abstract
No abstract record available.
Inventors
- 👤 Gerald A Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:27
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2808; E02F9/2816; E02F9/2833; E02F9/2841
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
116 words
IN EARTH DIGGING EQUIPMENT A BLADE HOLDER HAVING A FORWARD OPENING RECESS SHAPED AS AN INVERTED T IN CROSSSECTION AND HAVING A BOTTOM WALL FORMED WITH A PAIR OF APERTURES EXTENDING FROM THE EXTERIOR OF SAID HOLDER INTO SAID RECESS, SAID RECESS HAVING A REAR SHOULDER, A BLADE HAVING AT LEAST ONE CUTTING END AND A DOWNWARD PROTRUDING EXTENSION REMOTE FROM SAID END AND HAVING A REARWARD ABUTMENT ABUTTING SAID SHOULDER, SAID EXTENSION SUBSTANTIALY COMPLEMENTARY TO SAID RECESS, AND A RESILIENT INSERT BENT OVER EXTERIORLY OF SAID HOLDER AND HAVING ITS ENDS EXTENDING THROUGH SAID APERTURES INTO SAID RECESS AND COMPRESSED BETWEEN SAID EXTENSION AND SAID HOLDER TO RESTRAIN WITHDRAWAL OF SAID EXTENSION FROM SAID RECESS.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |