Patent US2028869A successfully refreshed from Google Patents.
Patent US3399640A successfully refreshed from Google Patents.
US3399640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic sewing machine system
Assignee: Individual
•
Filing: 1966-01-25
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Granted: 1968-09-03
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Expires: 1986-01-25
Abstract
No abstract record available.
Inventors
- 👤 Carney J Bryan
- 👤 Rovin Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:39
CPC Classifications
D; D05; D05B; D05B21/00; D05D; D05D2203/00; D05D2207/00; D05D2207/02; D05D2207/04; D05D2209/00; D05D2209/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
AN AUTOMATIC SEWING MACHINE SYSTEM COMPRISING A MOVABLE NEEDLE FOR STITCHING FABRIC WORKPIECES, DRIVE MEANS CONNECTED TO THE NEEDLE FOR MOVING THE NEEDLE TO FORM STITCHES, BRAKE MEANS CONNECTED TO SAID DRIVE MEANS FOR STOPPING THE NEEDLE, A MOTOR, CLUTCH MEANS CONNECTING SAID MOTOR TO SAID DRIVE MEANS FOR PROVIDING POWER THERETO, LOCKING MEANS CONNECTED TO SAID DRIVE MEANS AND ENGAGEABLE IN A PREDETERMINED POSITION FOR LOCKING SAID DRIVE MEANS TO SECURE THE NEEDLE IN AN INACTIVE POSITION, SPEED SENSING MEANS RESPONSIVE TO THE SPEED OF SAID DRIVE MEANS FOR CONDITIONING SAID LOCKING MEANS TOWARD ENGAGEMENT AFTER THE SPEED OF SAID DRIVE MEANS HAS FALLEN BELOW A PREDETERMINED SAFE LEVEL, AND MEANS RESPONSIVE TO SAID DRIVE MEANS IN OTHER THAN SAID PREDETERMINED POSITION FOR MOMENTARILY RELEASING THE BRAKE MEANS AND RE-ENGAGING THE CLUTCH MEANS FOR MOVING SAID DRIVE MEANS UNTIL SAID DRIVE MEANS REACHES SAID PREDETERMINED POSITION FOR ENGAGEMENT OF SAID LOCKING MEANS.
Claim 2
Dependent Claim
153 words
AN AUTOMATIC SEWING MACHINE SYSTEM COMPRISING A MOVABLE NEEDLE FOR STITCHING FABRIC WORKPIECES, DRIVE MEANS CONNECTED TO THE NEEDLE FOR MOVING THE NEEDLE TO FORM STITCHES, BRAKE MEANS CONNECTED TO SAID DRIVE MEANS FOR STOPPING THE NEEDLE, A MOTOR, CLUTCH MEANS CONNECTING SAID MOTOR TO SAID DRIVE MEANS FOR PROVIDING POWER THERETO, LOCKING MEANS CONNECTED TO SAID DRIVE MEANS AND ENGAGEABLE IN A PREDETERMINED POSITION FOR LOCKING SAID DRIVE MEANS TO SECURE THE NEEDLE IN AN INACTIVE POSITION, SPEED SENSING MEANS RESPONSIVE TO THE SPEED OF SAID DRIVE MEANS FOR CONDITIONING SAID LOCKING MEANS TOWARD ENGAGEMENT AFTER THE SPEED OF SAID DRIVE MEANS HAS FALLEN BELOW A PREDETERMINED SAFE LEVEL, AND MEANS RESPONSIVE TO SAID DRIVE MEANS IN OTHER THAN SAID PREDETERMINED POSITION FOR MOMENTARILY RELEASING THE BRAKE MEANS AND RE-ENGAGING THE CLUTCH MEANS FOR MOVING SAID DRIVE MEANS UNTIL SAID DRIVE MEANS REACHES SAID PREDETERMINED POSITION FOR ENGAGEMENT OF SAID LOCKING MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |