US3292670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saw chain for motor chain saws
Assignee: Andreas Stihl AG and Co KG
•
Filing: 1964-02-13
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Granted: 1966-12-20
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Expires: 1984-02-13
Abstract
No abstract record available.
Inventors
- 👤 Ratz Adolf
- 👤 Stihl Andreas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:37
CPC Classifications
B; B27; B27B; B27B33/00; B27B33/14; B27B33/147; Y; Y10; Y10T; Y10T83/00; Y10T83/909; Y10T83/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A CHAIN SAW; A SUPPORTING AND GUIDING RAIL HAVING A GROOVE IN THE EDGE, FIRST MEMBERS HAVING FLAT TOOTH-LIKE EXTENSIONS THEREON EXTENDING SLIDABLY INTO SAID GROOVE OF SAID GUIDING RAIL, CONNECTING LINKS PIVOTALLY INTERCONNECTING ALTERNATE PAIRS OF SAID FIRST MEMBERS AND CUTTING TOOTH LINKS PIVOTALLY INTERCONNECTING THE OTHER PAIRS OF SAID FIRST MEMBERS TO FORM A CHAIN, SAID CONNECTING LINKS AND SAID CUTTING TOOTH LINKS HAVING BOTTOM EDGE PORTIONS SLIDABLY ENGAGING THE SHOULDERS OF THE GUIDING RAIL AT THE OPPOSITE SIDES OF THE MOUTH OF THE GROOVE THEREIN, OIL GUIDING PASSAGE MEANS FORMED IN SAID EXTENDSIONS OF SAID FIRST MEMBERS EXTENDING PARALLEL TO THE PLANE OF THE EXTENSIONS AND EXTENDING THEREALONG FROM THAT ONE END OF THE RESPECTIVE EXTENSION WHICH FACES IN THE DIRECTION OF MOVEMENT OF THE CHAIN, EACH SAID OIL GUIDING PAS-
Claim 2
Dependent Claim
135 words
IN A CHAIN SAW; A SUPPORTING AND GUIDING RAIL HAVING A GROOVE IN THE EDGE, FIRST MEMBERS HAVING FLAT TOOTH-LIKE EXTENSIONS THEREON EXTENDING SLIDABLY INTO SAID GROOVE OF SAID GUIDING RAIL, CONNECTING LINKS PIVOTALLY INTERCONNECTING ALTERNATE PAIRS OF SAID FIRST MEMBERS AND CUTTING TOOTH LINKS PIVOTALLY INTERCONNECTING THE OTHER PAIRS OF SAID FIRST MEMBERS TO FORM A CHAIN, SAID CONNECTING LINKS AND SAID CUTTING TOOTH LINKS HAVING BOTTOM EDGE PORTIONS SLIDABLY ENGAGING THE SHOULDERS OF THE GUIDING RAIL AT THE OPPOSITE SIDES OF THE MOUTH OF THE GROOVE THEREIN, OIL GUIDING PASSAGE MEANS FORMED IN SAID EXTENDSIONS OF SAID FIRST MEMBERS EXTENDING PARALLEL TO THE PLANE OF THE EXTENSIONS AND EXTENDING THEREALONG FROM THAT ONE END OF THE RESPECTIVE EXTENSION WHICH FACES IN THE DIRECTION OF MOVEMENT OF THE CHAIN, EACH SAID OIL GUIDING PAS-
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |