US3087202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carding engines
Assignee: Carding Specialists Canada Ltd
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Filing: 1958-11-18
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Granted: 1963-04-30
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Expires: 1978-11-18
Abstract
No abstract record available.
Inventors
- 👤 Varga Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:25
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/02; D01G15/12; D01G15/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
CARDING MACHINERY COMPRISING A TRAIN OF FIVE SWIFTS AND CO-OPERATING WORKER ROLLERS, MEANS FOR DRIVING THE SWIFTS IN SUCCESSIVELY OPPOSITE DIRECTIONS AND INCREASING SPEEDS, SAID DRIVE MEANS INCLUDING A CONSTANT SPEED DRIVE TO THE LAST OF SAID SWIFTS, A COMMON VARIABLE SPEED BELT DRIVE TO THE PRECEDING TWO SWIFTS FROM A CHANGEABLE PULLEY ON THE SHAFT OF THE LAST CONSTANT SPEED SWIFT, A SEPARATE BELT DRIVE TO EACH OF THE FIRST TWO SWIFTS RESPECTIVELY FROM THE THIRD AND FOURTH SWIFTS, AND VARIABLE SPEED DRIVING MEANS FOR THE WORKER ROLLERS.
Claim 2
Dependent Claim
89 words
CARDING MACHINERY COMPRISING A TRAIN OF FIVE SWIFTS AND CO-OPERATING WORKER ROLLERS, MEANS FOR DRIVING THE SWIFTS IN SUCCESSIVELY OPPOSITE DIRECTIONS AND INCREASING SPEEDS, SAID DRIVE MEANS INCLUDING A CONSTANT SPEED DRIVE TO THE LAST OF SAID SWIFTS, A COMMON VARIABLE SPEED BELT DRIVE TO THE PRECEDING TWO SWIFTS FROM A CHANGEABLE PULLEY ON THE SHAFT OF THE LAST CONSTANT SPEED SWIFT, A SEPARATE BELT DRIVE TO EACH OF THE FIRST TWO SWIFTS RESPECTIVELY FROM THE THIRD AND FOURTH SWIFTS, AND VARIABLE SPEED DRIVING MEANS FOR THE WORKER ROLLERS.
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |