Patent US3097429A successfully refreshed from Google Patents.
US3097429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chisel with guide means
Assignee: —
•
Filing: —
•
Granted: 1963-07-16
•
Expires: 1980-07-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:59
CPC Classifications
B; B25; B25D; B25D3/00; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53909; Y10T29/53943; Y10T29/53952
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
82 words
A CHISEL COMPRISING A MAIN BODY, A CUTTER EXTENDING FORM SAID BODY FORWARDLY AND HAVING A CUTTING EDGE AT ITS FOREMOST PART, AND TWO BEARING GUIDES AT OPPOSITE SIDES OF SAID CUTTER MEMBER EXTENDING FROM SAID BODY FORWARDLY AND UPWARDLY AND TERMINATING AT A POINT INTERMEDIATE THE TOP AND BOTTOM OF SAID CUTTER MEMBER AND SPACED REARWARDLY FROM SAID CUTTING EDGE, SAID CUTTING EDGE CONVERGING IN WIDTH FROM THE BOTTOM THEREOF UPWARLDY AND EXTENDING FROM THE BOTTOM EDGE DIAGONALLY REARWARDLY AND UPWARDLY.
References Cited (Backward Citations)
US1418125A
Cited
US1624853A
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US1719449A
Cited
US2199380A
Cited
US2255196A
Cited
US2392495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |