Patent US3278329A successfully refreshed from Google Patents.
US3278329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension coating of filaments
Assignee: Individual
•
Filing: 1961-12-06
•
Granted: 1966-10-11
•
Expires: 1981-12-06
Abstract
No abstract record available.
Inventors
- 👤 Sol B Wiczer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:49
CPC Classifications
A; A46; A46D; A46D1/00; A46D1/02; A46D1/023; C; C03; C03C; C03C25/00; C03C25/10; C03C25/465; C03C25/47; C08; C08J; C08J9/00; C08J9/0085; C08J9/16; C08J9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PROCESS OF FORMING SHORT FILAMENTS EXPANDABLE ING A STRONG COHENENT MOLDED FOAMED BODY COMPRISING COATING SHORT LENGTHS OF WATER INSOLUBLE HEAT STABLE FILAMENTS WITH A WATER INSOLUBLE LIQUID MONOMER POLYMERIZABLE INTO A THERMOPLASTIC FILM, SUSPENDING THE WET MONOMER COATED FILAMENTS IN ATER AND AGITATING WITH HEAT TO EFFECT POLYMERIZATION OF THE COATING UPON INDIVIDUAL FILAMENTS IN SUSPENSION, REMOVEING THE THEROMOPLASTIC POLYMER COATED SHORTER LRNGTHS OF FILAMENTS FROM THE WATER SUSPENSION AND IMPREGNATING THE THEREMOPLASTIC COATING WITH A GAS-FORMING AGENT ADAPTED BY HEATING OF THERMOPLASTIC COATING TO ITS TACKY SOFTENING POINT TO BY CONVERTED TO FINE GASEOUS BUBBLES IN THE COATING, THEREBY EXPANDING THE SOFTENED COATING TO A COHERENT FORM.
Claim 2
Dependent Claim
110 words
A PROCESS OF FORMING SHORT FILAMENTS EXPANDABLE ING A STRONG COHENENT MOLDED FOAMED BODY COMPRISING COATING SHORT LENGTHS OF WATER INSOLUBLE HEAT STABLE FILAMENTS WITH A WATER INSOLUBLE LIQUID MONOMER POLYMERIZABLE INTO A THERMOPLASTIC FILM, SUSPENDING THE WET MONOMER COATED FILAMENTS IN ATER AND AGITATING WITH HEAT TO EFFECT POLYMERIZATION OF THE COATING UPON INDIVIDUAL FILAMENTS IN SUSPENSION, REMOVEING THE THEROMOPLASTIC POLYMER COATED SHORTER LRNGTHS OF FILAMENTS FROM THE WATER SUSPENSION AND IMPREGNATING THE THEREMOPLASTIC COATING WITH A GAS-FORMING AGENT ADAPTED BY HEATING OF THERMOPLASTIC COATING TO ITS TACKY SOFTENING POINT TO BY CONVERTED TO FINE GASEOUS BUBBLES IN THE COATING, THEREBY EXPANDING THE SOFTENED COATING TO A COHERENT FORM.
References Cited (Backward Citations)
US1829906A
Cited
US2125827A
Cited
US2207158A
Cited
US2407582A
Cited
US2460976A
Cited
US2518454A
Cited
US2576073A
Cited
US2673825A
Cited
US2677713A
Cited
US2730455A
Cited
US2877501A
Cited
US2862284A
Cited
US2972593A
Cited
US2879197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |