Patent US3425376A successfully refreshed from Google Patents.
US3425376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric driving means for sewing machines
Assignee: Husqvarna Vapenfabriks AB
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Filing: 1964-06-15
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Granted: 1969-02-04
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Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 Per Gunnar Brynge
- 👤 Erik Gustaf Bertil Reenstierna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:22
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/46; D; D05; D05B; D05B69/00; D05B69/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A SEWING MACHINE OF THE TYPE ADAPTED TO HAVE A RECIPROCATING NEEDLE, ELECTRIC DRIVING MEANS COMPRISING: AT LEAST TWO COOPERATING WORKING DEVICES, COMPRISING A LOOP-TAKER AND A SEWING NEEDLE HOLDER INCLUDING A NEEDLE BAR, SAID NEEDLE HOLDER BEING MOUNTED FOR RECIPROCATION LONGITUDINALLY OF THE LONGITUDINAL AXIS OF THE NEEDLE; A PULSE MOTOR DRIVINGLY CONNECTED TO ONE OF SAID LOOPTAKER AND SAID NEEDLE HOLDER AND IN COMBINATION THEREWITH COMPRISING FIRST WORKING MEANS; AN ELECTRIC MOTOR DRIVINGLY CONNECTED TO THE OTHER OF SAID LOOP-TAKER AND SAID NEEDLE HOLDER AND IN COMBINATION THEREWITH COMPRISING SECOND WORKING MEANS; A PULSE GENERATOR FOR GENERATING EXCITING PULSES; MEANS DRIVING SAID PULSE GENERATOR IN SYNCHRONISM WITH SAID SECOND WORKING MEANS; A CURRENT SOURCE;
Claim 2
Dependent Claim
117 words
IN A SEWING MACHINE OF THE TYPE ADAPTED TO HAVE A RECIPROCATING NEEDLE, ELECTRIC DRIVING MEANS COMPRISING: AT LEAST TWO COOPERATING WORKING DEVICES, COMPRISING A LOOP-TAKER AND A SEWING NEEDLE HOLDER INCLUDING A NEEDLE BAR, SAID NEEDLE HOLDER BEING MOUNTED FOR RECIPROCATION LONGITUDINALLY OF THE LONGITUDINAL AXIS OF THE NEEDLE; A PULSE MOTOR DRIVINGLY CONNECTED TO ONE OF SAID LOOPTAKER AND SAID NEEDLE HOLDER AND IN COMBINATION THEREWITH COMPRISING FIRST WORKING MEANS; AN ELECTRIC MOTOR DRIVINGLY CONNECTED TO THE OTHER OF SAID LOOP-TAKER AND SAID NEEDLE HOLDER AND IN COMBINATION THEREWITH COMPRISING SECOND WORKING MEANS; A PULSE GENERATOR FOR GENERATING EXCITING PULSES; MEANS DRIVING SAID PULSE GENERATOR IN SYNCHRONISM WITH SAID SECOND WORKING MEANS; A CURRENT SOURCE;
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) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |