Patent US3263309A successfully refreshed from Google Patents.
US3263309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of winding a loop containing coil
Assignee: Motors Liquidation Co
•
Filing: 1959-04-20
•
Granted: 1966-08-02
•
Expires: 1979-04-20
Abstract
No abstract record available.
Inventors
- 👤 Frank H Carman
- 👤 Sande James R Vande
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:58
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/06; H01F41/076; H01F41/082; H01F41/088; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071; Y10T29/53; Y10T29/5313; Y10T29/53143
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
THE METHOD OF WINDING A CENTER TAPPED COIL HAVING A PREDETERMINED NUMBER OF TURNS ON A BOBBIN FROM A CONTINUOUS LENGTH OF INSULATED WIRE, THE BOBBIN HAVING A CORE WITH A FLANGE AT EACH END, COMPRISING THE STEPS OF, WINDING SUBSTANTIALLY HALF OF SAID PREDETERMINED NUMBER OF TURNS ON SAID BOBBIN, EXTENDING A HOOK INTO THE PATH OF MOVEMENT OF SAID WIRE TO WIND ONE TURN NEAR THE CENTER ABOUT THE HOOK, AUTOMATICALLY RETRACTING THE HOOK OUT OF THE PATH OF MOVEMENT OF SAID WIRE DUE TO WIRE TENSION TO FORM A LOOP BY PULLING ONE SIDE OF SAID ONE TURN INTO ENGAGEMENT WITH ONE OF THE FLANGES ON SAID CORE, AND THEN WINDING THE REMAINDER OF SAID PREDETERMINED NUMBER OF TURNS ON SAID BOBBIN OVER SAID ONE TURN TO SECURELY RETAIN THE LOOP IN ASSEMBLED RELATION WITH THE COIL.
Claim 2
Independent Claim
140 words
THE METHOD OF WINDING A CENTER TAPPED COIL HAVING A PREDETERMINED NUMBER OF TURNS ON A BOBBIN FROM A CONTINUOUS LENGTH OF INSULATED WIRE, THE BOBBIN HAVING A CORE WITH A FLANGE AT EACH END, COMPRISING THE STEPS OF, WINDING SUBSTANTIALLY HALF OF SAID PREDETERMINED NUMBER OF TURNS ON SAID BOBBIN, EXTENDING A HOOK INTO THE PATH OF MOVEMENT OF SAID WIRE TO WIND ONE TURN NEAR THE CENTER ABOUT THE HOOK, AUTOMATICALLY RETRACTING THE HOOK OUT OF THE PATH OF MOVEMENT OF SAID WIRE DUE TO WIRE TENSION TO FORM A LOOP BY PULLING ONE SIDE OF SAID ONE TURN INTO ENGAGEMENT WITH ONE OF THE FLANGES ON SAID CORE, AND THEN WINDING THE REMAINDER OF SAID PREDETERMINED NUMBER OF TURNS ON SAID BOBBIN OVER SAID ONE TURN TO SECURELY RETAIN THE LOOP IN ASSEMBLED RELATION WITH THE COIL.
References Cited (Backward Citations)
US1500181A
Cited
US721289A
Cited
US1048205A
Cited
US972950A
Cited
US1897604A
Cited
US2122894A
Cited
US2246143A
Cited
US2503752A
Cited
US2404185A
Cited
US2624518A
Cited
US2627379A
Cited
US2696659A
Cited
US2667624A
Cited
US2807869A
Cited
US2906978A
Cited
US2904269A
Cited
US2889524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |