Patent US3260146A successfully refreshed from Google Patents.
US3260146A
Expired / Lapsed
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Double head side trimmer
Assignee: Steel Company of Canada Ltd
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Filing: 1964-11-30
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Granted: 1966-07-12
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Expires: 1984-11-30
Abstract
No abstract record available.
Inventors
- 👤 Child Roland Hilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:30
CPC Classifications
B; B23; B23D; B23D19/00; B23D19/04; B23D19/06; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7738; Y10T83/869; Y10T83/8742
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A DOUBLE HEAD SIDE TRIMMER COMPRISING A HOUSING, A FIRST SET OF SIDE TRIMMER KNIVES CARRIED BY THE HOUSING AND DISPOSED AT ONE SIDE THEREOF, A SECOND SET OF SIDE TRIMMER KNIVES CARRIED BY THE HOUSING AND DISPOSED AT THE OPPOSITE SIDE THEREOF, THE HOUSING BEING MOUNTED FOR ROTATION THROUGH 180* TO RESPECTIVE OPERATIVE POSITIONS TO PRESENT THE RESPECTIVE SETS OF SIDE TRIMMER KNIVES SELECTIVELY TO MATERIAL TO BE SIDE TRIMMED, A CONSTANTLY DRIVEN BEVEL GEAR AND MEANS INCLUDING OPPOSED BEVEL GEARS SELECTIVELY MOVABLE INTO MESH WITH THE CONSTANTLY DRIVEN BEVEL GEAR FOR RESPECTIVELY DRIVING THE OPPOSED SETS OF SIDE TRIMMER KNIVES.
Claim 2
Dependent Claim
102 words
A DOUBLE HEAD SIDE TRIMMER COMPRISING A HOUSING, A FIRST SET OF SIDE TRIMMER KNIVES CARRIED BY THE HOUSING AND DISPOSED AT ONE SIDE THEREOF, A SECOND SET OF SIDE TRIMMER KNIVES CARRIED BY THE HOUSING AND DISPOSED AT THE OPPOSITE SIDE THEREOF, THE HOUSING BEING MOUNTED FOR ROTATION THROUGH 180* TO RESPECTIVE OPERATIVE POSITIONS TO PRESENT THE RESPECTIVE SETS OF SIDE TRIMMER KNIVES SELECTIVELY TO MATERIAL TO BE SIDE TRIMMED, A CONSTANTLY DRIVEN BEVEL GEAR AND MEANS INCLUDING OPPOSED BEVEL GEARS SELECTIVELY MOVABLE INTO MESH WITH THE CONSTANTLY DRIVEN BEVEL GEAR FOR RESPECTIVELY DRIVING THE OPPOSED SETS OF SIDE TRIMMER KNIVES.
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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |