US3112898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil form
Assignee: Individual
•
Filing: 1962-06-04
•
Granted: 1963-12-03
•
Expires: 1982-06-04
Abstract
No abstract record available.
Inventors
- 👤 William F Stahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:45
CPC Classifications
H; H01; H01F; H01F5/00; H01F5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A COIL FORM, COMPRISING A PAIR OF MATING PARTS, WITH EACH PART INCLUDING AN ESSENTIALLY RIGID PLASTIC BODY HAVING THREE CONNECTED SIDES PROVIDING A U SHAPE IN TRANSVERSE SECTION AND DEFINING AN OPEN MATING SIDE, SAID BODY AT EACH END BEING EQUIPPED WITH AN INTEGRAL TRANSVERSE FLANGE EXTENDING PERIPHERALLY OUTWARDLY FROM EACH SIDE TO PROVIDE PARALLEL FLANGES HAVING INSIDE SURFACES IN CONFRONTING RELATION, SAID BODY AND FLANGES ADJACENT SAID OPEN SIDE BEING EQUIPPED WITH A PAIR OF PERIMETRIC SHOULDERS ADJACENT TO SAID OPEN SIDE TO PROVIDE REDUCED THICKNESS PORTIONS,
Claim 2
Dependent Claim
89 words
A COIL FORM, COMPRISING A PAIR OF MATING PARTS, WITH EACH PART INCLUDING AN ESSENTIALLY RIGID PLASTIC BODY HAVING THREE CONNECTED SIDES PROVIDING A U SHAPE IN TRANSVERSE SECTION AND DEFINING AN OPEN MATING SIDE, SAID BODY AT EACH END BEING EQUIPPED WITH AN INTEGRAL TRANSVERSE FLANGE EXTENDING PERIPHERALLY OUTWARDLY FROM EACH SIDE TO PROVIDE PARALLEL FLANGES HAVING INSIDE SURFACES IN CONFRONTING RELATION, SAID BODY AND FLANGES ADJACENT SAID OPEN SIDE BEING EQUIPPED WITH A PAIR OF PERIMETRIC SHOULDERS ADJACENT TO SAID OPEN SIDE TO PROVIDE REDUCED THICKNESS PORTIONS,
References Cited (Backward Citations)
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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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |