Patent US3179867A successfully refreshed from Google Patents.
US3179867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric -driver for driving the woof-carrying unit of a loom
Assignee: —
•
Filing: —
•
Granted: 1965-04-20
•
Expires: 1982-04-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:41
CPC Classifications
H; H02; H02K; H02K41/00; H02K41/02; H02K41/03; D; D03; D03D; D03D51/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
AN ELECTRICAL DRIVER FOR DRIVING THE WOOF-CARRYING UNIT OR SHUTTLE OF A LOOM COMPRISING: (A) TWO DRIVING COIL UNITS ELECTRICALLY CONNECTED TOGETHER, EACH OF SAID COIL UNITS COMPRISING A PLURALITY OF COILS, (B) CORE DRIVE MEANS WITHIN SAID COIL UNITS FOR DRIVING A SAID LOOM SHUTTLE, (C) A THREE-PHASE NETWORK APPLYING HALF-WAVE PULSES TO SAID COIL UNITS, AND
Claim 2
Dependent Claim
58 words
AN ELECTRICAL DRIVER FOR DRIVING THE WOOF-CARRYING UNIT OR SHUTTLE OF A LOOM COMPRISING: (A) TWO DRIVING COIL UNITS ELECTRICALLY CONNECTED TOGETHER, EACH OF SAID COIL UNITS COMPRISING A PLURALITY OF COILS, (B) CORE DRIVE MEANS WITHIN SAID COIL UNITS FOR DRIVING A SAID LOOM SHUTTLE, (C) A THREE-PHASE NETWORK APPLYING HALF-WAVE PULSES TO SAID COIL UNITS, AND
References Cited (Backward Citations)
US2112264A
Cited
US2958025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |